Please Help to ID sponge(?)

[munsils]

Hi!

This sponge(?) came together with colony of zoanthids, was seperated and now is kept in quarantine tank.

Any information about this "thing" would be appreciated.

http://i213.photobucket.com/albums/cc23/munsils/sponge2.jpg

[greenbean36191]

It's a tunicate or sea squirt, not a sponge. They're harmless filter feeders.

[munsils]

Thank you very much for info. :)

[Anemonebuff]

Agree with the ID. I also suggest using tweezers to get rid of that algae, it is very invasive.