Need Help Identifying what’s on my Coral

[Infern0]

Hello guys, please help me to identify what‘s on may Coral. It was there since I had purchase the coral ( 2-3 Months ago) but it seems larger now and i think it has a head in there..might be some kind of snail..?

 

[shwareefer]

Hard call. The tube looking thing just looks like a sponge. Do the surrounding blobs move? They kinda look like nudibranchs but also could be just sponge material tricking my eye. Is the coral happy? Anyway this response with add you to the "new post" list and I find more people watch that than the "unanswered list" so hopefully you'll get a more definitive I.D.

 

[Tired]

Pictures in white light would help.

The tube thing might be a vermatid snail, or a feather duster. A feather duster is harmless, a vermatid releases a slime net that will irritate the coral.

 

[Cell]

Looks like a feather duster

 

[Chrisv.]

probably a vermatid. I’d probably cut it off with frag cutters. Chance of introducing pests is worse than the chance of killing an innocent…whatever it is.

 

[WheatToast]

probably a vermatid. I’d probably cut it off with frag cutters. Chance of introducing pests is worse than the chance of killing an innocent…whatever it is.

Pretty sure it’s a tube worm, but we need an image under white light from OP.

 

[Chrisv.]

Pretty sure it’s a tube worm, but we need an image under white light from OP.

Could be. I’d clip it off rather than take any risk of another pest.

 

[Isopod80]

I'm guessing Spionid worm. Do you every see what looks like 2 feeding tentacles coming out of it?

 

[Cell]

Spionid dont build up tubes on the surface like what is seen in the pic. It's not a vermetid either. Those tubes are much smaller.

 

[Infern0]

Thanks guys for all replys, here are some shots in a better light.

 

[Reefing102]

Looks like a large vermetid. While the common Vermetids in home aquaria are smaller, there are several species that can get large. I had one similar to that on an acan frag. Removed it and the acan is recovering nicely

 

[Tired]

Yeah, that spiral structure with the top coming out of the center looks like one of the really big vermetids. Probably best to remove it.

 

[Infern0]

Thanks! I will remove it . I did also noticed something like a white algae on my rocks…any ideeas what that might be ?

 

[Isopod80]

Thanks! I will remove it . I did also noticed something like a white algae on my rocks…any ideeas what that might be ?

Sponge. Looks like Clathrina sp. I happen to like this variety. I usually leave a little bit and brush of the rest. If it's the species I think it is it will turn bright yellow with age. Those are young. Search Clathrina clathrus.

 

[Isopod80]

Spionid dont build up tubes on the surface like what is seen in the pic. It's not a vermetid either. Those tubes are much smaller.

Larger spionids can definitely build tubes on the surface. There are also a number of vermatid species as well. Some of them can build tubes that are this size. They're just not seen very often. The small variety is far more common.