Deadlocked
Active Member
Bought a sizable zoa rock from my lfs last week. Just found this thing slowly moving on it. Looks like a slug or something? Maybe a starfish? First time posting on this thread. Thanks in advance. Video should work
Anyone know what this is??
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Tired
2500 Club Member
Some species of asterinas will eat zoas, some are harmless. It's tricky to tell them apart. You could catch it, put it in a cup of tank water, and take a clear photo for people to try to figure out which kind this is.
Do not buy a harlequin shrimp for a single asterina. They eat only starfish tube feet, so need a steady supply of starfish, hundreds of asterinas a day. If someone has a few asterinas and wants to remove them, all that's needed is to pick them out by hand.
Do not buy a harlequin shrimp for a single asterina. They eat only starfish tube feet, so need a steady supply of starfish, hundreds of asterinas a day. If someone has a few asterinas and wants to remove them, all that's needed is to pick them out by hand.
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MaxTremors
2500 Club Member
Unless it’s dark brown/grey, it’s harmless. Personally, unless they’re numbers get out of control (easy to get them back in control), I leave them be, they’re good detritivores and algae eaters.
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1saltwaterfish
New Member
It's asterina star fish. They reproduce very quickly. They are considered a nuisance. They can eat corals. Manual removal works. But harlequin shrimp will eat them.
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