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  1. Pests, Hitchhikers, and Diseases
    I don't know what else it could be!! I poked at it and it moved...but it's attached pretty well. If it is a muscle, if I leave it alone will it grow? spread? be eaten?
  2. General Reef Discussion
    Where would a mussel just randomly show up and start floating on the top of the tank? I haven't gotten any live rock in a long time. Could it have been something on one of the rocks in a larval form?
  3. Pests, Hitchhikers, and Diseases
    Found this guy while chiseling up a piece of rock to get rid of hydroids... so i saved him and put him somewhere resembling where he was before. never seen anything like it. looks like a muscle of some kind maybe? any thoughts???
  4. General Reef Discussion
    Hi was wondering if anyone can tell me if a muscle can move around a tank? saw what i believe to be a muscle on top of a piece of live rock looked again the next day and it was gone? about 3 cm long and about 1.5 cm wide black in colour :help: