#critter

Please see the images I attached. I was looking at my copepods among the sand and saw these super tiny white worms that are sticking to the glass. I couldn't find a match online. I put one under a microscope and this is what I saw, initially I thought bristle but it didn't match. What are they...

Hope you guys can see the video , I have one of those all black stomatellas (they look almost jet black but with some minor variations on shells) & I also have the much more common white stomatella with black specks all over it (sort of like cookies & cream) Today I caught them breeding (puff...

Hi, I’ve just had another read through the helpful threads on critters and hitchhikers. I think the closest I got to a potential ID is Amphipod. Is this right? I’m hoping he’s a friendly resident as he’s scarpered off since researching! I’ve attached a video too. They seem to work for some...

Trying to figure out what is living in my Ricordia. I’m hoping the answer is harmless feather duster but want to make sure it’s not Aiptasia or some other horror lurking and waiting to ruin tank life. Thanks for your help!! Including pics and a video in case seeing movement is somehow helpful.

Hello guys, I’m new to reefing. Can you help me ID these things; that long tentacles; those white spots on the glass (I think it’s hydroids); these white hair on the live rocks; that thing on the edge of the rock (I think it’s a pineapple sponge). And can you tell me if they are bad or...