Aiptasia or harmless anemone

accidental_reefer

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Hello, I discovered this creature which I believe is Aiptasia but hoping it’s an innocuous liverock hitchhiker. Can anyone confirm?

In case it’s pertinent for identification, I believe it came on TBS live rock. The only commonality between QT and frag tanks are the live rock I split between the two tanks. About 3 months ago, I discovered like two Aiptasia in the QT, although they were much smaller and appeared different in form. About 6 weeks ago, baby Aiptasia (I think) appeared in the frag tank but they were different in form from the Aiptasia in QT and the specimen at issue — they were shaped more like jellyfish, moved around the tank rather than settling in one spot (the others were/are static), although perhaps bulldozing CUC made them move, and they did not appear to have long tentacles protruding from the head. I went heavy on joe’s juice and sucked them out via hose whenever I spotted them and I haven’t seen any of them in the tank for maybe a month? So I’m hoping this fella is not one that got away.

I believe unrelated, yesterday I also saw a growth on my blasto that I’ve had for like 3 months — appearing to be a small white tube with a head and feathers but I haven’t seen the feathers retract at all. If not Aiptasia, should I try to get rid of it?

Perhaps also following a false lead, afterwards l I also spotted a white tube protruding from around the head of a candy cane but without the feathers.

Any insight appreciated.

IMG_2055.jpeg IMG_1264.jpeg IMG_2035.jpeg IMG_2038.jpeg
 

Katrina71

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Sorry, just another joy of reefing!
 

Tori

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Third picture looks like a pineapple sponge to me. If so, not harmful as far as I'm aware
 

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