sen5241b November 26, 2008 November 26, 2008 It is a quarter inch long, a tint of green. If you poke at it, it folds up a little but does not pull into the rock. The crown around the top has 12 points.
lanman November 26, 2008 November 26, 2008 Probably aiptasia - glass anemone... based on the complete lack of color - perhaps that rock was in the sump for a while? bob
MisterTang November 26, 2008 November 26, 2008 It's a nuisance anemone. Get rid of it, or you risk it spreading.
Coral Hind November 26, 2008 November 26, 2008 If it is a small rock I would just pull it from the tank and let it dry out so they die. Then put it back in a few days later. Or you can buy something like Joe's Juice to kill it.
davelin315 November 26, 2008 November 26, 2008 They do look suspiciously like aiptasia, but I'm not certain of that. They are bleached, but if you say they have a green tint, I haven't seen green aiptasia before, only reddish brown. Also, I think that aiptasia have more than 12 tentacles.
Sugar Magnolia November 26, 2008 November 26, 2008 They do look alot like aiptasia. I did a google image search and found a few shots of aiptasia that are clear/opaque, but as Dave mentioned most are a transparent reddish brown. I'd say that since you already have a small group of them, chances are they will continue to multiply. If it were in my tank, I'd get rid of them. Joe's Juice, kalk injection, etc.
Larry Grenier November 26, 2008 November 26, 2008 (edited) If you feel like having a few peppermint shrimp in your tank you could try that 1st. Folk seem to have mixed reults but peps have eliminated aptasia for me in a few different tanks. Edited November 26, 2008 by Larry Grenier
extreme_tooth_decay November 26, 2008 November 26, 2008 The spots all over them are throwing me. I don't recall, but doesn't seem like that is normal for aiptasia? Maybe they are aiptasia with ich. tim
sen5241b November 26, 2008 Author November 26, 2008 There's definitely a green tint to them although it may not show up in the photo. Also, I've heard that if they pull into the rock when poked at --they are aiptasia, but if they just kind of fold up a little they are a polyp.
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