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Innovative Marine Aquariums

Unknown tentacles in rock.


TiGs

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Hey all,

 

I got some live rock and a bunch of these tentacles are spread out in spots on the rock. They are about 2 inches in length and wiggle around, movement isn't caused by the current. They seem visible during all hours of the day.

 

Any idea of what they might be?

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Yep I agree with Satchmo, look like spaghetti worms. Very beneficial I'd let em bee. I also have tons of mini brittle star's that have stringy arms and black and white stripes. They hang in crevices in my LR - if you get them you'll know they spread everywhere but again beneficial critters.

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Satchmo - nope, never seen em leave the rock but they are spreading over tank somehow. I got them on a mushroom rock about 4 months ago and they have moved all over tank from about 3 or 4 originally to maybe 30 or 40 now. I was tempted to take a small piece of rock and crack it open just to see what they look like I'm hella curious.

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