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Old 10-25-2015, 11:20 PM   #1
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What is this

I was cleaning my tank, and noticed this colony. Can you id?

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Old 10-26-2015, 12:31 AM   #2
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Hard to see if they are either hydroids or polyps...but I have a feeling hydroids.
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Old 10-26-2015, 12:38 AM   #3
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Are they bad?

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Old 10-26-2015, 10:33 AM   #4
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Colonial Hydroids
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Old 11-02-2015, 01:54 PM   #5
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What is this

I think they are tunicates. They come in a vast variety. I shot these in the Caribbean.

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