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…

Video of Melibe colemani documents this impossible-looking animal

When we first wrote about the description of the incredible looking Melibe colemani, we couldn’t wrap our heads around the appearance of this extraordinary nudibranch. Still images of Melibe colemani look like a strange mass of thin pasta threads just coagulated…

The Alaskan reefs feature some staggering beauty [VIDEO]

The myriad of seapens, the field of anemones, the mesmerizing kelp in the wave and the unbelievable closeups of invertebrates including a variety of shrimps, crabs, and hermit crabs, truly make this Alaska dive video a sight to behold. The…

Fluorescing with nudibranchs and scorpionfish [VIDEO]

We’ve posted stunning videos of coral fluorescence and were awestruck when we saw this video of fluorescing nudibranchs and scorpionfish. Corals are thought they glow to attract symbiotic algae or to protect the coral from UV light. But why do…

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…

Nano goby turns a Bullock’s Hypselodoris nudibranch into its own habitat

[vimeo width=”680″ height=”450″]http://vimeo.com/48234146[/vimeo] We tend to think of small reef fish living in a wide range of habitats but some species of Eviota and Trimma are so small that they can be at home on other reef creatures that are small…