Is this tiny starfish a good guy or not?

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Appreciate the photo is poor but wondered if this little starfish is a good or bad thing in my reef tank?

Mike

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Reply #1

Apr 18, 2016 6:31:15 pm
Looks to be an asterina starfish. They're generally good clean up crew. It'll multiply.
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Chilax

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Reply #2

Apr 18, 2016 6:51:40 pm
Yep Asterina. They can become problematic but usually something will keep numbers down so they don't reach plague proportions

Worcester_Womble

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Reply #3

Apr 18, 2016 7:07:52 pm
Thanks guys!

Adenium Phil

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Reply #4

Apr 18, 2016 7:11:57 pm
Dunno if true but someone told me they munch on zoas? I wouldn't know,  bit there are 2 asterina in my tank too so for now they can stay  *D

HK_Fuey

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Reply #5

Apr 18, 2016 7:17:16 pm
There are lots of different kinds, and almost none eat corals.  There are a few that do, but you'd be very unlucky to come across them.  I have hundreds, and never had any issues.
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Adenium Phil

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Reply #6

Apr 18, 2016 7:47:01 pm
I was told if they have an orange dot on them get them out as they are coral munchers - true or not I have not idea. I noticed one on my zoa the other night, the zoa is still intact so assume it was munching something else?

Mike

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Reply #7

Apr 18, 2016 8:15:05 pm
The ones I saw eating my zoas had little dark areas in the centre. I had to get Harlequin shrimp to deal with them, which it did.

Generally though, unless you see them on your zoas, you're fine.
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Worcester_Womble

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Reply #8

Apr 18, 2016 8:24:36 pm
Quote from: Mike on Apr 18, 2016  8:15:05 pm
The ones I saw eating my zoas had little dark areas in the centre. I had to get Harlequin shrimp to deal with them, which it did.

Generally though, unless you see them on your zoas, you're fine.

That's good then as Zoa's are next on my list... Rasta's and Wonder Women look awesome! The freebies on my small piece of live rock I bought the other day are stunning under the blue LEDs!
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