What is this on my mushroom rock ?

MCooper

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Saw this tonight and hoping it is a type of feather duster??? Sorry for bad pics

b9a507e4b1db344a496c614a48d7a0cf_thumb.jpg


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SandJ

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Can't see the picture very well (The site has issues with resizing the pictures and reducing the quality), but it kinda looks like a hydroid.
 
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MCooper

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It does appear to be either a hydroid or aiptasia from the images I saw online. How can I tell the difference and if I need to rid them, how can I? I dipped this piece in Coral rx for a solid 10 minutes prior to placing in the tank.
 

SandJ

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Do they look like this:
ImageUploadedByREEF2REEF1470788207.711982.jpg


Do they glow under blue lights?

It could be feather dusters. Hydroids look similar to feather dusters, but my hydroids would glow under blue/uv lights. Both can have a tube base.

Aiptasia has larger tentacles, where hydroids have hair like protrusions. No tube structure at the base either.
 
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MCooper

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Do they look like this:
ImageUploadedByREEF2REEF1470788207.711982.jpg


Do they glow under blue lights?

It could be feather dusters. Hydroids look similar to feather dusters, but my hydroids would glow under blue/uv lights. Both can have a tube base.

Aiptasia has larger tentacles, where hydroids have hair like protrusions. No tube structure at the base either.

Doesn't really look like the hydroids, seems to have a tube structure at the base, but wider then a feather duster.
 

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