- Joined
- Aug 24, 2015
- Messages
- 151
- Reaction score
- 102
- Location
- Clinton corners
- What state or country do you live in
- New York
Hi my black nudibranch? Likes sponges but may be able to survive on algae or biofilm. I see it about quite often and have never seen it on my corals here is a photo.

i like them too mine just lives in the sump now.

