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Old 08-29-2013, 01:27 AM   #1
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What is this??

I got this in a bundle of live rock I got from a friend that's helping me set up my tank does anyone know what it is?
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Old 08-29-2013, 01:50 AM   #2
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A sponge. They tend to grow out of the light. Harmless filter feeders.
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Old 08-29-2013, 01:56 AM   #3
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Thanks whats that purple looking noodle stuff as well while ur answering? Thanks afain
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Old 08-29-2013, 02:46 PM   #4
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Looks like it could be dead zoa stalks (if that's the right term) that have been covered with coralline algae.
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Old 08-29-2013, 03:37 PM   #5
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It's macro algae of some kind. harmless
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Old 09-02-2013, 04:20 AM   #6
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Thanks guys big help!!
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Old 09-02-2013, 04:22 AM   #7
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Ok hahaha now what about this guy two of them are living in my rock? Any idea?
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Old 09-02-2013, 04:26 AM   #8
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Well my video is not posting sorry.
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