Can anyone identify this .taking my 75 gallon down to upgrade to 150 and found these in the rubble .can anyone tell me if they are good or bad ?


Thank you it was in the rubble in the bottom filter and there was about 35 mixed in so i boiled all the rubble...hope that works


New Member
Aiptasia, some people think they are pretty but most people not, they grow very fast, two can be 16 in one month, and turn to be a hundred in 3 months. The worst creature in a reef tank.