After such a successful run with the initial run, there is now a second edition of the book “Nudibranch and Sea Slug Identification: Indo-Pacific” available for purchase from the team at Fish ID. The initial book by Terrence Gosliner, Ángel…
Nudibranch range extension linked to ‘blob’ of warm ocean water
Warm waters in the Pacific Ocean a causing dozens of species of nudibranch to more northwards past their traditional range. This could signal the beginning of a major climate shift in the region, says Jeffrey Goddard, a marine biologist at the…
This sea slug wants to be a fish so bad…
Most of us fantasize about being something we were not — Hermy wanted to be a dentist, everyone wanted to be like Mike and this sea slug wants to be a fish. Meet Phylliroe, a nudibranch that is about the size…
‘Blue Dragon’ sea slug washed ashore in Australia
The Blue Dragon sea slug is one of the reasons we love the underrated nudibranch so much. With bright and vivid colors, a surreal shape and deadly behavior, the Blue Dragon is certainly a sight to see. You might see…
Meet the tiniest “Sea Bunny” you ever did see
We’ve talked about hitchhiking coral crabs before, which are common on wild aquacultured corals, but boy were we surprised when we found the tiniest “Sea Bunny” hitchhiker crawling around our tank. A while back the internet kicked into overdrive when this video…
Indo-Pacific Nudibranchs and Sea Slugs get some love
Nudibranchs and sea slugs may not sound as interesting as all the designer corals and fish we see in the hobby, however in our opinion, these creatures are some of the most beautiful and interesting creatures in the ocean. A…
Nudibranch discovered with detachable and regenerative penis
For all of you cringing at the title, it gets better. We don’t think any man could fathom losing his penis after mating, yet one amazing nudibranch not only loses the organ after mating, but can grow it back 24-hours…
Melibe colemani, a transparent nudibranch and stellar example of reef diversity
At first glance, you would think you are staring at some hydroids or sponges. But what you are seeing is a transparent anatomy of a newly discovered nudibranch. It’s easy to see how such a unique slug avoided discovery until…
Plantimal: Green Sea Slug part animal, part plant
Green is the way to go and researchers at the University of South Florida recently discovered a green sea slug that has evolved over time to produce its own chlorophyll making it the first animal to actually produce the substance…
