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Old 04-28-2013, 11:17 AM   #1
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Is this a pest? Dangerous?

I found one of these little transparent fan-like things (left and right ) on my rocks two weeks ago. And then it's become three or four. The one in the middle earlier in the week. Just one. now there's five of them in the same area.

when they are open they are about a small button size. The diameter is the size of a small zoa. Maybe half of a penny. Are they dangerous?

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Old 04-28-2013, 11:58 AM   #2
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Those are feather dusters. I've seen similar ones that are called cluster dusters. Harmless filter feeders.
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Old 04-28-2013, 12:06 PM   #3
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oh my god, what a relief. I thought featherdusters were bigger than that. these fellas are smart. when I get close to them they close up. and disappear FAST.
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Old 04-28-2013, 03:07 PM   #4
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Yeah lol!! I have the same ones and they retract so fast. I'm sure you have more than you counted because they just grow everywhere but usually where there is a shade.
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Old 04-28-2013, 05:14 PM   #5
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I have some white, some black with a tan band, and some that are purplish. Then I have these larger ones from the same family so I've been told. All a species of tube worms.
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Old 04-28-2013, 07:30 PM   #6
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Quote:
Originally Posted by Jinx View Post
I have some white, some black with a tan band, and some that are purplish. Then I have these larger ones from the same family so I've been told. All a species of tube worms.
Ummm. Looks like aiptasi to me. Granted I'm on my phone and the pics are small. But...
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Old 04-28-2013, 07:32 PM   #7
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Oh, that was for Jinx.
I agree the original posters critters are feather dusters.
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Old 04-28-2013, 07:40 PM   #8
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Jinx, that my friend is aptasia
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Old 04-28-2013, 08:21 PM   #9
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Be careful not to touch the aptasia cause it will multiply very quickly. Get the aptasia-x to get rid of it.
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Old 04-28-2013, 08:41 PM   #10
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So it's a bad thing to have these little guys? I the feathers look great
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