Though this may really look like a nudibranch (and in particular one I’ve shared before), this is actually a juvenile sea cucumber – probably a Black Spotted Sea Cucumber (Bohadschia graeffei). One particular point you can use to spot the difference is the tube feet…

These photos are of two different individuals, but they are among the coolest eels I’ve seen during diving. The Napoleon Snake Eel (Ophichthus bonaparti) gets to about two and a half feet long and lives in sandy burrows (as you can see from mostly just…

This nudibranch actually mimics a flatworm – particularly with the way it ruffles up the edges of its mantle as it moves…. but unlike a flatworm, you can clearly see the rhinophores and gills that flatworms lack. Discodoris boholiensis.

Well… sometimes even with my ID books, I just can’t manage to identify some nudibranchs. This particular one seems like it would be very unique and easy to ID, but I just simply can’t find it in any of the books, and any of the…

I’m not 100% sure on a specific species for this Hydroid Crab, but this is another form of interesting camouflage found on the reef. Hydroids are kind of like corals in that they use stinging cells to catch their food, but unlike corals they do…