Go ‘Pods!

A gorgeous nudibranch crawling along the reef at Siladen, Sulawesi (formerly known as Celebes).

Sulawesi is a paradise for nudibranchs, and apparently every other form of aquatic life. Nudibranchs are a type of gastropod, basically a snail that has got rid of its shell and survives by tasting really awful to predators. The colorful exterior is a warning of bad taste to follow.

There are hundreds of types of nudibranchs, all of them colorful and beautiful, many of them yet to be ...