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#1
04-14-2015, 03:20 AM
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Starfish ID please
I just noticed a couple weeks ago that I had a "new" starfish, and tonight I found a second one. They're aprox 16-19 mm across. They look a lot like astrea stars but a lot bigger (and they both have 5 arms). They seem to be grazing on the rocks and leaving corals alone so I'm not too worried, just curious what they are
 Top  Bottom  
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#2
04-14-2015, 03:24 AM
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Starfish ID please
What color are the from top?
Grey/white? I just looked into my tank. They are asterina. I have tons the are on rocks, glass and everywhere else. They will eat algae and dead matter. I thought they were eating my Zoa but on close inspection I realized they were cleaning the dead ones and not bothering the healthy polyps. Last edited by strider; 04-14-2015 at 03:33 AM.
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#3
04-14-2015, 03:29 AM
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Asterina sp starfish. I used to think they are harmless (some species of them are), but some are definite coral predators. I consider them all pests and remove any I see.
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