#hydroids

I observed this critter in one of my store tanks for about two months. I have unfortunately moved and never managed to get better photography so I'm afraid this will have to do. I'm just fascinated by them because I have not been able to ID them for months! I have collected a couple other posts...

I woke up and found these on my aquarium glass. They look like tiny starfish. From reading online, they seem to be hydroids, is that correct?

I’ve had a heavy digitate hydroids infestation for about a year now. Seemed to be the more ‘mild’ kind as only one type of zoa seemed a little bothered by contact. I cut back on feeding, stopped broadcast feeding, added Halloween hermits, but saw no population reductions. 3 days ago, I was at...

Hey all, after a pretty depressing trip to the LFS yesterday for advice, I've decided I have to tear down my 20 gallon nano reef because of an absolutely terrible colonial hydroid infestation which I have been battling for close to six months now to no avail. I'm going to salvage what corals I...