Arrow

You thought from the title that this was going to be about the TV show, didn’t you?
Nope, I’m here to introduce you to an invertebrate. This is an arrow crab (Stenorhynchus seticornis). You can see the pale stripe across the carapace that gives it its name.
It’s maybe six inches across if you stretch those incredibly thin legs out to their maximum extent. I gave my macro lens a workout on my recent dive trip.
The picture has been pretty seriously Photoshopped, because the photo was taken at nigh...