ID please

bohlke

PBITAWA
Ok I always thought this was just a dead zoo in my colony but it opens and closes and has some kind of tentacles in the middle. Here are some pics: Any idea what this is?

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boy, there's a lot of this going on these days. that looks like a little stony coral like a blasstomussa or something

good thing is that zoos don't really fight with too many corals and you may find this deal works out great for all parties involved.
 
Bonebrake. With a stony base, I doubt its an anemone.

I still think it could be a hidden cup coral of the genus Balanophyllia.
 
Does it Have a stony base? Does the whole oral disk move/bend, or do the tentacles just retract while the rest maintains its shape?
 
The base doesnt appear to be stony, it retracts just like the other polyps. There are two on the rock. The whole thing moves with the current and the tentacles also move around.
 
Just to be clear the pic shows the thing fully extended, there are not any tentacles that are long like the cup coral pic above.
 
not a cup coral. they are transparent and you can easily see the detail/color of their skeleton(I have one)

I didn't want to guess plate coral because plate corals don't grow concave. they grow convex (but the tentacle layout along the ridges is a good argument for a plate coral for sure - especially if the tentacles are opaque))

regardless, you can clearly see the skeletal radial "fins" = stony coral of some kind

so I still think it is a small LPS polyp like a blassto(or a baby something(plate :D) that will get a lot bigger-you'll see when it starts to split what size it really is)
 
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oh yeah, have you done a late night flashlight check on that yet?

IMO, that's when you have the best chance of seeing full tentacle expansion. I think it is just peeking out in the pics.
 
If it moves in the current, closes up like the zoas, and doesnt have a stony base, then its very very unlikely that its a stony coral. Probably some kind of anemone, though which one will be close to impossible to tell Im afraid.

Ive noticed a lot more interesting hitchiker anemones coming in with zoas lately. We actually had a couple juvenile Hell Fire anemones come in a couple months back at work, and theyve been slowly multiplying in the tanks. The odd thing is- like yours- it doesnt appear to have much of an effect on the surrounding zoas. Ive noticed that with a few different hitchiker species.

Im gonna have to set up a little species tank for one one of these days.
 
can't wait to find out what this is.

those ridges look so much like skeleton fins, but wow, awesome if that is a softie.

the best thing is getting to see something new that blows you away.
 
Frick-n-Frags,
Im having trouble finding a nice clear photo online, and dont have any of my own- sorry. Theyre highly branched anemones- each tentacle slplitting off a number of finer branches and nodes. Search for "Actinodendron" anemones for shots of the entire family- that will at least give you a rough idea. Sorry...
 
then that sounds like what I saw too. I have never seen anything else branched like that.

Have you touched one yet to see what it hits like? :D
 
LOL.. nope, cant say that I have. One of the guys at work did, and theyre so small the just stuck to him like glue rather than stinging the bejeezus out of him. Maybe when they get bigger ;)

Bohlke, let us know if your find a close ID somewheres. Interesting looking bugger.
 
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