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What a Fish Knows: The Inner Lives of Our Underwater Cousins

Jonathan Balcombe

4.16 · Rating details · 1,159 ratings · 197 reviews

What a Fish Knows

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Paperback, 304 pages

Published December 1st 2016 by Oneworld (first published June 7th 2016)

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Apr 09, 2017 Petra-X rated it really liked it · review of another edition

Shelves: animals-ethology, medicine-science, reviewed, 2017-100-reviews, 2017-read

Years ago I had an extraordinary experience with squids when I was snorkelling off an unknown reef very close to a tiny island about 100 yards from shore. If the reef had been known there would have been very few parrotfish and cowfish, both of which are good eating. There would also have been no supermale parrotfish. A supermale is a female that has turned into a male and is double or more the size of the other fish and also much more beautiful and brightly coloured and absolutely delicious to Years ago I had an extraordinary experience with squids when I was snorkelling off an unknown reef very close to a tiny island about 100 yards from shore. If the reef had been known there would have been very few parrotfish and cowfish, both of which are good eating. There would also have been no supermale parrotfish. A supermale is a female that has turned into a male and is double or more the size of the other fish and also much more beautiful and brightly coloured and absolutely delicious to eat.

So I was snorkelling and I saw a little squid, it stayed still in the water and was rapidly changing colour. Then it was joined by another, then another until there were about 7 of them of varying sizes from about the size of your hand up to forearm sized all in a row and all rapidly cycling colours. I called out to my ex to come and see but come slowly not to scare them. I didn't think they would stay. He swam over and by then there were about 11 squids and it was apparent to both of us that they were staring at me. They were as curious and interested in me as I was in them and they didn't go away for quite a few minutes. They were no more shy than I was and as I had called my ex, so they had 'called' each other. Perhaps it was because no one knows of the reef they live in they weren't frightened of people, I don't know.

What I learned from this book:

1. If we thought of fish as we do mammals we would stop thinking of them as 'other' and realise that they have the same five senses (plus more). Having the senses means using them and implies learning from experience (don't touch that sea urchin again, it not only stings, but poisons).

2. That people judge intelligence by how like us the animal thinks. We do too. All those books on animal intelligence are just about measuring how like us the animals solve problems that humans set them.

3. That scientists rail against anthropomorphising animals, but if we did a bit more with fish, if we were more empathetic and understanding we would see that they have personalities, liked to play and not pretend that they can't feel pain and have no consciousness so it's ok to come into my shop and say (as plenty of customers do) that they are 'basically vegetarians' but eat fish.

Here in the Caribbean, diving is good career. People come every week and want to be taken to see the reefs. The divers nurture relationships with generally-friendly fish like rays, giant groupers (Goliath fish) and some of the sharks so that their clients will have an interesting experience. Not all of these relationships are based on food. They never are with sharks. It would be foolish to feed sharks! But nevertheless, over years the divers and individual sharks get friendly and the sharks come and rub against the divers, much as cats do, and like to be caressed. What's in it for the fish is the same as what's in it for the people, it's entertaining, it's nice to see friends, what else could it be?

The book, to sum up, was quite boring. I was hoping for more than the author's conjectures based on our common senses, what is known about fish and their life cycles, and anecdotes (like mine). Few of his assumptions and conclusions were ones that were new to me. I don't think it's the fault of the author, it's just that fishes inner lives are mostly a mystery.

3.5 stars rounded up because the author did his best and at least opened a dialogue into the idea that fish are as deserving as consideration as other animals when it comes to protecting them from pain and harm. ...more

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Jan 08, 2019 Diane S ☔ rated it really liked it · review of another edition

Shelves: 5000-2019, lor-2019

Who ever knew that s book about fish could be both so fascinating and illuminating. Don't think I will ever look at fish the same way again. So many characteristics that make us human do come into play with fish. Communication skills, empathy, using tools and other clever ways to get what they need, including cleaning. The chapters are nicely separated, covering a topic at a time.

So many different types of fish, I spent much time looking them up to see their pictures. Some can change from femsle ...more

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Apr 08, 2018 Navi rated it it was amazing · review of another edition

Shelves: favourites, nonfiction, kindle, animals, science

This is the most delightfully charming work of nonfiction I have read in a long time!

I have heard on numerous occasions that fish are nothing more than “water vegetables”, lacking feelings of pain, memory, familial love and social structure. They are continuously looked upon as a distinct species separate from the rest of the animal kingdom because they do not embody features we associate with more “sentient beings”.

I used to work in a Fish and Reptile department at a pet store. I have intimate This is the most delightfully charming work of nonfiction I have read in a long time!

I have heard on numerous occasions that fish are nothing more than “water vegetables”, lacking feelings of pain, memory, familial love and social structure. They are continuously looked upon as a distinct species separate from the rest of the animal kingdom because they do not embody features we associate with more “sentient beings”.

I used to work in a Fish and Reptile department at a pet store. I have intimate memories of fish that recognized me when I came near their tank, liked to be touched, and had specific preferences with which fish they spend their time with. At the time, I thought it was all in my head and I was giving fish more credit than they deserved by anthropomorphizing them. However, there was always a lingering doubt in the back of my mind.

This book was a luminous revelation to me. The author's sincere passion and care for the welfare and advocacy of all "fishes" (instead of grouping them all together as a singular fish, the author makes a point of using the plural form to indicate that they are a group of individual fish with different likes, dislikes etc.) is embedded throughout the text.

Some interesting things I learned:

- Our assumption that fish are quiet is false. They make an array of different sounds to communicate with one another - one comical method is through (I kid you not) farting!

- There was a study exploring the relationship that Koi have with music. The researchers found that Koi correctly discerned different musical cues and were able to classify music by artistic genre (blues, classics etc).

- Fish are curious beings and gain stimulation through various modes of play. There is an anecdotal case where a cat and a fish play a running game with each other that was endearing. This is especially important for fish owners. I can’t imagine what a fish must feel living in an empty tank isolated without anything providing a source of entertainment or aesthetic comfort.

- The intricacies involved with the symbiotic relationship between fish and their cleaner were fascinating.

After reading this, I have a much deeper understanding and respect for our underwater cousins. I cannot recommend this book highly enough! ...more

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Oct 16, 2017 Wanda rated it really liked it · review of another edition

Shelves: non-fiction, natural-history, public-library, read-in-2018

Fish get short shrift when we are thinking about animal behaviour. Consider the poor maligned gold fish, which is reputed to have an attention span of mere seconds. Incorrect, as it turns out—gold fish can learn tasks and retain that learning for months.

I’m not a diver. I can’t swim and water will always be a scary place for me, but I can see where this book would be very interesting to anyone who spends time in the underwater world. Fish are much more interesting that I gave them credit for. I ...more

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Oct 23, 2016 Tim Martin rated it it was amazing · review of another edition

Shelves: science, nature, reviewed, marine-biology

_What A Fish Knows_ was a quick, enjoyable read that veered between being a popular science book on the latest findings on fish behavior, memory, sensory abilities, and intelligence and a book strongly advocating for a kinder, more empathetic treatment of fish (and also essentially never, ever eating fish again). I can understand how one type of writing (fish are both surprisingly intelligent and quite aware of their environment and what happens to them in ways that might surprise most readers) _What A Fish Knows_ was a quick, enjoyable read that veered between being a popular science book on the latest findings on fish behavior, memory, sensory abilities, and intelligence and a book strongly advocating for a kinder, more empathetic treatment of fish (and also essentially never, ever eating fish again). I can understand how one type of writing (fish are both surprisingly intelligent and quite aware of their environment and what happens to them in ways that might surprise most readers) would lead to the other (in the words of the author, “fishes are individual beings whose lives have intrinsic value – that is, value to themselves quite apart from any utilitarian value they might have to us,” very much echoing the views of _Relicts of a Beautiful Sea_ by Christopher Norment, who covered rare desert pupfish of the American Southwest at length, a book well worth reading). I rather preferred the more straightforward presentation of the latest findings on fish behavior and cognition than the more advocate aspects (most prevalent in the opening section and again towards the end), though even I cringed after reading the chapter at the end of the book describing the suffering and waste brought about by modern fishing practices (I am unsure if having read the book made that section even more cringeworthy, as I have always lamented so many things about modern fishing, such as the massive death of animals in the form of bycatch and the damage brought about by trawling nets).

I will admit that some of the more advocacy type claims made early in the book (such as on page 19, “we’ll explore how fishes are not just sentient, but aware, communicative, social, tool-using, virtuous, even Machiavellian” or on page 20 “[a]nother prejudice we hold against fish is that they are “primitive,” which in this context has a host of unflattering connotations; simple, undeveloped, dim, inflexible, and unfeeling”) made me think twice about reading the book but also, after reading it, deciding I was a bit too hasty, as the author did indeed provide examples of fish tool use, evidence of perhaps friendships among fish and among fish and non-fish, and lots of examples of Machiavellian behavior. It’s not that I thought fish were stupid or dim-witted or was surprised that they had some complex behaviors, but the more emotional aspects of what he wrote I was a little leery of (were the fish being anthromorphized or was this part of a philosophy that granted sentience to just about any animal and what did virtuous mean in this context?).

Another aspect of the book, which the author identified very early on, was his heavily reliance on anecdotes. While studies were definitely mentioned (and documented in the copious bibliography), there were lots and lots of examples, often provided by non-scientists, of fish behavior and intelligence indicating levels of cognition and recognition of individuals (be they other fish or non-fish like pet owners or individual divers) well beyond what most people would think of with regards to fish (a relevant quote on page 6, “I have sought to sprinkle the science with stories of people’s encounters with fishes, and I will be sharing some of these as we go along. Anecdotes carry little credibility with scientists, but they provide insight into what animals may be capable of that science has yet to explore”). They were fun to read and did indicate that so much more research can be done, but I sometimes found myself preferring the studies rather than the stories.

As far as the science of the book goes, most of it was fascinating. The author organized the book into different sections (“what a fish perceives,” “what a fish feels,” “what a fish thinks,” “who a fish knows,” and “how a fish breeds”), each section two or three chapters and filled with lots of fascinating facts.

The reader learns in the “what a fish perceives” section that some fish, such as bluegill, can see predators in a different part of the pond as they use the underside of the water’s surface as a mirror, that seemingly identical looking fish (such as various species of highly territorial damselfish) can distinguish between various individuals owing to distinctive facial patterns of dots and arcs only visible in UV, each pattern as unique as a human fingerprint, some fish (such as American shad and Gulf menhaden) can hear the ultrasonic sounds produced by predatory dolphins while others, such as cods, perches, and plaices, can hear infrasounds as low as 1 Hz, enabling the fish to migrate long distances using the ambient infrasound produced by waves, tides, and currents moving against cliffs, beaches, and reefs. Far from living in a silent realm, some fish have truly remarkable hearing as well as the mental ability to process it; one study with koi showed that the fish could even “discriminate polyphonic music [playing multiple notes simultaneously], discriminate between melodic patterns, and even classify music by artistic genre.” Not just eyesight and hearing are examined but also the sense of smell and electrorecption, the “biological ability to perceive natural electrical stimuli,” such as by electric eels (as an aside, I did not know that South American electric eels weren’t true eels at all but actually of the knifefish family, more closely related to catfish).

The section on fish sensory abilities was not terribly controversial and often backed up some common sense knowledge of fishermen and aquarium owners. The next section, “what a fish feels,” was a bit more, as it often went to heart of people saying that fish don’t feel anything, that they don’t feel pain, that when they look distressed from being handled or hooked it is just a reflex. Early on in the chapter, the author cautioned against “corticocentrism,” the idea that to “possess a humanlike capacity for pain” one must have a neocortex (though quickly acknowledging that few think birds don’t feel pain and also at the same time birds do not possess a neocortex). I feared that the section would be emotional or spiritual or the like (despite the solid science of the previous section), but again I was surprised at the series of very good studies on fish sensory capabilities and the solid science behind assertions that fish experience pain, react to it, and plan to avoid it in the future if possible. Also to my surprise the section didn’t just dwell on fish pain and stress but also fish joy, providing studies (and a lot of anecdotal examples) of fish experiencing joy and playing even as adults.

I think my favorite section was next, “what a fish thinks.” By this point I was swept away by some of the fascinating studies and anecdotes of the surprising mental abilities of fish. My favorite by far was the example of the frillfin goby (a fish of the intertidal zones of both eastern and western Atlantic shores). This fish prefers to stay safe in isolated tide pools at low tides, but when danger threatens it can leap with a high degree of success to neighboring pools. As studies showed, the fish does not sense these pools from its own pool, but remarkably “memorizes the topography of the intertidal zone – fixing in its mind the layout of depressions that will form future pools in the rocks at low tide – while swimming over them at high tide.” Also in this section the author demolishes popular conceptions of goldfish memories measured in seconds, provided an example of tool use discovered in 2009 (orange-dotted tuskfish near Palau using “rapid head-flicks and well-timed releases” to open clams against undersea rocks), showing how in one study vermiculate river stingrays in South America (a freshwater species) could problem solve to get food treats, even in several cases “moving away from a strongly attractive cue – the smell of food at one end of the tube [used in the experiment] – and trying the other side…not a trivial a thing…it means they have to work against their natural impulse,” and how archerfish (able to spray jets of water up to ten feet through the air to help them prey on insects) are able to get better at aiming not just from practice but actually watching other archerfish hunt, “a form of grasping something from the perspective of another.”

“Who a fish knows” was fascinating, going into aspects of fish sociology. The reader learns the differences between shoals and schools (shoals are groups of fish gathered together and socially interacting but each swim independently and may be facing different directions, while a school is more disciplined with the fish moving at the same speed and in the same direction at a fairly constant distance from one another). Another excellent section, the author covered predator inspection (behavior that lets a predatory fish know it has been spotted by other fish and highly suggestive it should move on) and two extremely interesting sections on cleaner fish and also on cooperative hunting (my favorite example being cooperative hunting between groupers and moray eels, with the groupers actually able to understand and have the moray eels in turn understand pointing, this accomplished by a grouper doing a headstand over a spot where a prey has hidden; this is a “referential gesture, which outside of humans, has only previously been attributed to great apes and ravens”). There was also coverage of fish culture, that non-inherited information passed on by “informed individuals” such as migration routes, ideal forage spots, which predators to avoid, etc. may be lost in overfished species and could be lost forever, complicating recovery efforts.

The last section, “how a fish breeds,” was much as I expected it, covering fish breeding, but was still interesting, covering the different ways fish are actually care givers and may protect eggs and young (the cichlids of the great lakes of east Africa get lots of attention) as well as elaborate gender hierarchies and courtship rituals. It included the latest research, such as the 2012 discovery of elaborate, geometric “crop circles” created by male pufferfish off the southern tip of Japan, huge mandalas up to six feet wide and decorated by shells, created by fish only five inches long.

The book closed (after a horrifying section on fishing) with another appeal that fish are deserving of empathy. “In those flat, glassy eyes we struggle to see anything more than a vacant stare...[t]heir unblinking eyes – constantly bathed in water and thus in no need of lids – amplify the illusion that they feel nothing.”

It was a good book and I am definitely glad I read it.
...more

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Mar 15, 2019 Jenny rated it it was amazing · review of another edition

"What many of these people like about fishes is not that they are like us. What is beautiful about them, and equally worthy of respect, is how they are not like us. Their different ways of being in the world are a source of fascination and admiration, and cause for sympathy. We can connect across the great divide that separates us, as when I have felt the gentle tugs of discus fishes rising to pluck food from my fingertips, or when a grouper fish approaches a trusted diver to receive caresses.

"What many of these people like about fishes is not that they are like us. What is beautiful about them, and equally worthy of respect, is how they are not like us. Their different ways of being in the world are a source of fascination and admiration, and cause for sympathy. We can connect across the great divide that separates us, as when I have felt the gentle tugs of discus fishes rising to pluck food from my fingertips, or when a grouper fish approaches a trusted diver to receive caresses.

Among other things, fishes use their brains to survive and flourish, and one of the ways I have sought to raise the status of fishes has been to draw attention to their awareness and cognitive skills. But extolling the mental virtues of other species inflates the importance of intelligence, when intelligence really has little to do with moral standing... Sentience--the capacity to feel, to suffer pain, to experience joy--is the bedrock of ethics. It is what qualifies one for the moral community."
-"Epilogue"

This book is excellent. It taught me more about fishes than I'd ever expected to learn, and it is fascinating in the details Balcombe selected to share with his readers. What impresses me the most, other than the awesomeness and strangeness of creation expressed through fishes, is Balcombe's obvious love for and admiration of fishes. He makes them real to me through scientific evidence but also through anecdotal evidence. I appreciate that he mixes stories with science to not only prove his points but to also add sympathy and emotion to his arguments.

The main claim in this book is that fishes are not fish. They are not a mass of creatures without individuality, emotion, intelligence, or knowledge. They are individuals with personalities, memories, and culture. The way that fishes interact with each other, socially, sexually, and culturally is so similar to we humans that it makes it impossible not to see fishes as sentient beings, deserving of our respect.

Finally, I love the subtitle. For Balcombe, I know that it refers to evolution and the concept that life on our planet started in the water, and that at some point, our first land ancestors emerged out of the ocean and started developing bodies that could function on land. For me, it means that God created us all, so we all have common ancestry. Also, there was water before God created anything else, so in creation, the concept of life beginning in the water is the same as it is in evolutionary biology. Fishes existed before people, and they had more time to develop, evolve, and bond with the rest of creation. Why would we humans think we are any better than fishes? We have the same creator, and we are made from the same materials. We are all birthed from water.

I highly recommend this book to people who already love fishes but especially to people who are convinced that the things who live in water and don't blink are not intelligent individuals. You'll be shocked to find you are very wrong! ...more

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Dec 04, 2018 Montzalee Wittmann rated it it was amazing · review of another edition

Shelves: favorites

What a Fish Knows by Jonathan Balcombe and narrated by Graham Winton is a delightful and very informative book on fish. It explains how fish can feel pain, probably pleasure too, can plan, remember, scheme, communicate, and think! They have preferences, can be trained, seem to enjoy certain activities or people over others, and they use tools.
I am a vegetarian and I don't eat fish due to this reason but it is nice to hear the science behind it. I learned so much in here too! Wow! How different ...more

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Oct 04, 2016 Katy Mann rated it it was amazing · review of another edition

Read this from a recommendation on a blog.

Did not know what to expect, but the book was a lively romp with an intelligent guide through all things fish. Senses, emotions, social structures.

Check it out.

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Oct 15, 2016 Lori Ann rated it really liked it · review of another edition

Brain candy for any diver...a must read.

The last two chapters point out a ton of inconvenient truths for fish eaters. Looks like there are going to be more nuts and beans in my diet.

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May 30, 2016 Sara rated it it was amazing · review of another edition

Once I heard this book was coming out, I had to have it because, as the author points out, you can't really find an entire book devoted to fish ethology (behavior).

Now, this author undoubtedly has a bit of an agenda as you can tell from prior books. He's for animal rights so I wanted to see if he strayed too far from hyperbole. Generally I don't think he did. Mostly he stays with the science and makes some excellent points such as a) fish came way before us so it's not like they've stopped ...more

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Mar 16, 2018 Jonathan Maas rated it it was amazing · review of another edition

An incredible array of fish facts that slowly work their way into a thesis

What a Fish Knows: The Inner Lives of Our Underwater Cousins, by Jonathan Balcombe is first and foremost, an incredible assortment of fish facts. Secondly, it is a book.

This is not to diminish it as a book - the incredible insight from the first gives it its power.

One of my favorite non-fiction books about the ocean is Deep: Freediving, Renegade Science, and What the Ocean Tells Us about Ourselves, where James Nestor acts ...more

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Feb 15, 2017 Sam Sattler rated it really liked it · review of another edition

Shelves: science

It is difficult to look into the eyes of another living creature without wondering what that creature thinks of what he sees in your own eyes. Does that animal wonder what we are and what our intentions might be? Is it perhaps seeing us as an equal that deserves the benefit of the doubt? Or is anything really going on in the brain behind those eyes at all other than the hope that we will provide the animal with something to eat or drink? Humans find it easy to relate to pets, especially dogs and It is difficult to look into the eyes of another living creature without wondering what that creature thinks of what he sees in your own eyes. Does that animal wonder what we are and what our intentions might be? Is it perhaps seeing us as an equal that deserves the benefit of the doubt? Or is anything really going on in the brain behind those eyes at all other than the hope that we will provide the animal with something to eat or drink? Humans find it easy to relate to pets, especially dogs and cats, because those animals readily exhibit affection via their actions and variable facial expressions. But other animals, especially those incapable of changing facial expressions, find it more difficult to claim the respect of human beings. And Jonathon Balcombe contends that fish, of all the members of this too easily written off group of static-faced animals, is probably the most underestimated of the lot.

Balcombe offers What a Fish Knows: The Inner Lives of Our Underwater Cousins in hope that the book will change the way that we think about the more than thirty thousand species of fish that exist today before it is too late to save many of them from extinction. Balcombe strives to make us see fish as individuals that can think, feel emotions and pain, make choices, enjoy play, hunt in cooperative groups, learn to use tools, and live complicated social lives. The author rightfully believes that the world’s commercial fishing industry is still so unregulated and out of control that it is in the process of relentlessly destroying the very fish species that make it a viable proposition for today’s fishermen. I submit that anyone who reads What a Fish Knows with an open mind will find it difficult, it not impossible, to argue otherwise.

Balcombe builds his case by using both the latest scientific breakthrough discoveries and anecdotal evidence from fish owners, recreational and professional divers, and others whose lifework is caring for and studying fish. The book is split into seven sections: “The Misunderstood Fish,” “What a Fish Perceives,” “What a Fish Feels,” “What a Fish Thinks,” “Who a Fish Knows,” “How a Fish Breeds,” and “Fish Out of Water.” For the most part, the content of each section is as clear as the title, but two of the sections demand a bit of an explanation.

“The Misunderstood Fish” section focuses on the point that fish are not the “lowly” creatures that most of us believe them to be. As Balcombe puts it:

“Lacking detectable facial expressions and appearing mute, fishes are more easily dismissed than our fellow air breathers. Their place in human culture falls almost universally into two entwined contexts: (1) something to be caught, and (2) something to be eaten.”

The “Fish Out of Water” section is the one in which the author stresses “it isn’t easy being a fish in an age of humans.” This is where he exposes the commercial fishing practices that do so much collateral damage to the populations of non-targeted fish, practices that see the wasted-by-catch tonnage rivaling the targeted tonnage taken by some commercial shrimpers and fishermen. According to Balcombe, right at one-third “of the world’s fish catch…is not eaten by humans.”

Two paragraphs from What a Fish Knows beautifully summarize what Jonathon Balcombe hopes his readers will take away from his book. The first paragraph appears on page 177 in the “Who a Fish Knows” section, and I quote a portion of it below:

“The main conclusion we may draw from these aspects of what a fish knows is that fishes are individuals with minds and memories, able to plan, capable of recognizing others, equipped with instincts and able to learn from experience. In some cases, fishes have culture. As we’ve seen, fishes also show virtue through cooperative relationships both within and between species.”

The second paragraph I want to quote from appears on page 207 in the “How a Fish Breeds” section of the book:

“Fishes are not merely alive – they have lives. They are not just things, but beings. A fish is an individual with a personality and relationships. He or she can plan and learn, perceive and innovate, soothe and scheme, experience moments of pleasure, fear, playfulness, pain, and – I suspect – joy. A fish feels and knows.”

Bottom Line: What a Fish Knows is guaranteed to make the reader rethink his relationship with everything from his pet goldfish to the largest whale in the ocean. It is an eye-opener with a message, but it is also an entertaining book about a cousin of ours we all too often take for granted.
...more

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Jan 10, 2019 Sher rated it it was amazing · review of another edition

What a sleeper! A surprisingly wonderful and engaging book about the life of fish. Did you know fish do have feelings, intelligence, use tools, plan, and have culture? Balcombe has that powerful combination as a writer to bring scientific studies alive, and we get lots of fascinating studies in this book presented in such a lively and clear manner. I also appreciate that Balcombe continually presents -well, this is another way we might interpret these results. And, unlike Sy Montgomery's books ...more

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Sep 10, 2017 Daniel M. rated it it was amazing · review of another edition

When we seem them, they’re all a “fish out of water..,” which is a phrase describing someone in an alien place, probably suffering as a side effect. That’s 99% of our experience of fish, but it’s not Balcombe’s experience, and he wants us to know that fish have interesting cognition (learning and performing complex tasks), sophisticated memories, relationships, social bonding, and a real sense of pain that we continuously violate.

The book tells us that fish have these rich lives, but we don’t ...more

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Feb 15, 2019 Charlene rated it really liked it · review of another edition

Shelves: biology

Interesting facts about fish:

Do fish feel pain? It seems that they do. If you expose fish to a pain condition, such as exposure to vinegar, they cannot complete their task. However, if you give fish pain medication, they can complete the task, despite the vinegar exposure.

Fish express anxiety over a variety of things (e.g. finding the correct shelter). Researchers observe various fish doing various tasks and identify the anxious fish, give the fish anxiety meds, and observe that they are less ...more

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Apr 25, 2018 Christian D. Orr rated it really liked it · review of another edition

Not only are we learning from other scientific studies that birds are (and dinosaurs were) much more intelligent than longstanding paradigms had assumed for so many decades, this fascinating book shows that the same is true of fish as well; their cold, seemingly robotic and unfeeling automaton appearance notwithstanding, their actually sentient beings with intelligence and even personalities. The author offers his evidence with plenty of solid science, with detailed information backed by a witty ...more

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Dec 04, 2016 NcSark rated it really liked it · review of another edition

Shelves: environmental-issues, animal-agriculture, animal-welfare, animal-behaviour, fish-farming, about-animals

This book could have been titled "Fish Are Awesome" and it would still be an accurate title. Not only are there over 33,000 species of fish, humans have only begun to scratch the surface of what fishes are truly capable of. Fishes (I'm with the author that referring, "...to a trillion fish by the singular term lumps them together like rows of corn") are indeed awesome: from complex social structures and behaviours to organized hunting, feeding and mating rituals, fishes remain perhaps the most ...more

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Jun 20, 2016 Sonia Faruqi rated it it was amazing · review of another edition

When it comes to fish, what is fact and what is myth? If you’ve ever wondered about life in the underwater world, this book will teach you a lot, from fascinating facts like tapetum lucidum—the layer of the retina that enables marine creatures to see at night and is also responsible for creating the eyeshine in the eyes of cats and dogs—to the complexity of fish feeling. There are more species of fish than of all other vertebrates—mammals, birds, reptiles, and amphibians—combined, yet they’re a ...more

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Oct 13, 2016 James Scheid rated it it was amazing · review of another edition

I will never look at a fish the same way again. They are sentient beings with problem solving skills. Some can recognize their humans and like to be petted. One species of fish float near the top of the water at high tide and memorize the map of the sea floor so they know where to hide when the tide is low. This book is full of fascinating facts but also gives examples of the cruelty we inflict on them. It ends with a glimmer of hope for a better future. The writing just flows. (No pun intended)

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Apr 10, 2017 Keith Akers rated it really liked it · review of another edition

This excellent book about fish sentience is much better than we have any right to expect based on its subject matter. Fish seem hopelessly alien, a topic that Balcombe addresses early on. Without needlessly sexing up the topic, Jonathan Balcombe gives us an entertaining, organized, and scientific exposition of what it is that fishes know. As it turns out, this is quite a bit. Fish have language, can feel pain (this should be obvious, but now you know), like to play, are affectionate, and can use ...more

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Jan 29, 2019 Kristin rated it really liked it · review of another edition

A really interesting look into the inner lives and weird behaviors of fish. If you’re a fish enthusiast, the first bit might be a bit tedious for you, but it’s worth it for all the cool facts later on. The author’s passion oozes when he talks about fish in general, and he does a good job of balancing actual scientific data with stories of what fish do without giving those anecdotes equal weight or discrediting them on the other hand. Quite enjoyable

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Sep 20, 2018 Alexandru Tudorica rated it it was amazing · review of another edition

Shelves: biology-and-psychology

Our water-dwelling cousins are actually surprisingly sentient, while absolutely unsustainable commercial practices massively deplete the aquatic ecosystems. 40% of the fishing represents bycatch, which is simply thrown away (dead, of course). Fish tend to accumulate various pollutants, therefore frequent consumption is mostly detrimental to human health. The farmed fish usually eats wild fish (since we apparently have a taste for carnivorous fish) and they are kept in conditions so bad that a ...more

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Dec 03, 2018 Raz rated it really liked it · review of another edition

This is a very engaging book written about what could be a very dry (ha!) subject. The everyday language and the author's obvious passion for his subject keeps it from being an infodump, and I can definitely say I have a newfound appreciation for marine life after finishing this book. He also discusses the ecological impact of fishing industries without being super preachy about it, and it's made me reconsider being blase about eating seafood!

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Aug 29, 2017 Crystal rated it liked it · review of another edition

This book explores the sentience of fish. A very interesting read that made me aware of lots of fish behavior that I knew nothing about. I did find the book to be a bit preachy but regardless it made me think about fish in a more empathetic light than I did previously so it did do its job!

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Jun 11, 2018 Susan added it · review of another edition

Shelves: non-fiction, us, nature

Fascinating - except now I don't know if I can continue eating fish ... !

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Dec 26, 2018 Jim marked it as to-read · review of another edition

Bought for my Father in Law Xmas 2018. Was happy to receive it.

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Sep 26, 2019 Lauren Read rated it liked it · review of another edition

An enjoyable exploration of qualities that are oft-overlooked by us humans and also about the vast ignorance of our collective knowledge of the sea. I glossed over some of the dozens of laboratory test descriptions, preferring the storytelling and factual information. The beginning and end of the book are the jewels, however, elucidating the big picture.

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Feb 09, 2020 George Jacobs rated it it was amazing · review of another edition

Jonathan Balcombe, the author of this New York Times best-selling book, has worked for many years as an ethologist (a scientist who studies animal behaviour). He is director of animal sentience at the Humane Society Institute for Science and Policy. His website is www.jonathanbalcombe.com. His other books are The Exultant Art: A Pictorial Tour of Animal Pleasure, Second Nature: The Iinner Livers of Animals, Pleasurable Kingdom: Animals and the Nature of Feeling Good, and The Use of Aanimals in ...more

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Nov 03, 2018 Alexander Landerman rated it it was amazing · review of another edition

Wonderful read, and worth your time. More Thesis reading

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Sep 03, 2017 Joshua Buhs rated it liked it · review of another edition

Shelves: science, non-fiction

Admirable.

Balcombe is a (former?) ethologist, working (in some capacity) for the Humane Society. In this book, he reviews what's known about fish thinking and feeling, the research that undergirds this knowledge, and speculates on further lines of study based on anecdotes he has collected.

The book is organized around the (Romantic German biologist) Jakob von Uexküll's idea of Umwelt: the notion that an organism's understanding of the environment is shaped by its senses. Already, this approach Admirable.

Balcombe is a (former?) ethologist, working (in some capacity) for the Humane Society. In this book, he reviews what's known about fish thinking and feeling, the research that undergirds this knowledge, and speculates on further lines of study based on anecdotes he has collected.

The book is organized around the (Romantic German biologist) Jakob von Uexküll's idea of Umwelt: the notion that an organism's understanding of the environment is shaped by its senses. Already, this approach puts the book above Jennifer Ackerman's similar book on bird intelligence. Balcombe is sensitive to the idea that fish are different than humans, and so may have their own forms of intelligence. He never mentions the name, but he's clearly thinking of Thomas Nagel's classic philosophical paper ""What is it like to be a bat?"

I learned a lot from the book. Not about fish biology, which is presented here in a very basic way, but about fish behavior and signs of intelligence. Balcombe makes his case--though, admittedly, I'm relatively sympathetic to it in the first place. I do not think that he advances the general case for animal consciousness beyond what Donald Griffin did lo those many years ago, but he did so in very specific ways.

In going over the material, Balcombe is careful to not get too far over his skies--and when he does, he's good at labeling those parts that are speculation or based on anecdote (0r in which he is criticizing the limitations of some study). True enough he spends a lot of time on a few anecdotes, which may give them undue weight, but it seems to be in the service of encouraging further research, which seems fair, given the general bias against the notion that fish have any kind of intelligence. (A bias he reasonable blames on their relatively fixed facial features, so different than expressive humans.)

For the most part, Balcombe is a graceful stylist, though his penchant for joking does become tiresome. And his structural organization is uninspired. The book is divided thematically, first by senses, later by other ethological topics: emotions, thought, social behavior, reproduction. The chapters themselves, though, have no real drive to them; while he transitions from topic to topic without much problem, the movement can sometimes feel like a forced march.

Part of the gracefulness of his prose is the way that he tucks his larger argument into each section, leaving hints--that he then never completely ties together, rather allowing the reader to draw the conclusion that Balcombe wants: leading the reader to water, thirsty, without saying what must be done. It's clear that Balcombe wants the reader to question whether eating fish is a reasonable choice--not because of the way fish have been over-harvested, or the oceans turned into giant toilet bowls, but because fish are sentient, feeling, thoughtful creatures with a right to exist on the planet.

And while I do not plan on stopping eating fish altogether--I don't much, at any rate, because of over-harvesting and pollution--I will stop and give respect to the fish whose life has been cut short to supply my own.

I don't think that's everything Balcombe was after, but he did move me along. ...more

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About Jonathan Balcombe

Jonathan Balcombe

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Jonathan Balcombe was born in England, raised in New Zealand and Canada, and has lived in the United States since 1987. He has three biology degrees, including a PhD in ethology (the study of animal behavior) from the University of Tennessee, where he studied communication in bats. He has published over 45 scientific papers on animal behavior and animal protection.

He is the author of four books. ...more