Help me identify this please

[spiffergirl]

I have this new type of polyp growth. I am not sure what it is. It is growing on my live rock. It is very small and peach/coral in color. It is like a sac with a hole on the outward side. When touched, it will recede. There are two in the picture and two smaller ones near them that you cannot see. A small type of anemone perhaps? Thanks guys. I hope the link works.

Click here for photo

 

[KahluaZzZ]

well anemones usually shows tentacles. When you touch it, it retracts..but what retracts ? On the pix, is it opened or closed . Worms can have tubes to protect themselves.

 

[spiffergirl]

in the picture it is open. the whole sac/pouch (bubble thing) or whatever it is, retracts. it doesnt have tentacles and i have tried searching for some sort of ID, but cant find anything. also, it is very small. it protrudes about one-quarter to one-third of an inch from the rock. thanks for your help.

 

[KahluaZzZ]

dunno...maybe a peanut worm..i'll check

 

[KahluaZzZ]

http://s91850190.onlinehome.us/electronmicro/fine_art_prints/archives/199408-049-Sipunculid.jpg

mhhh...

 

[spiffergirl]

well, i dont see anything moving in or out of the sac. the sacs themselves have not moved to a different location since i noticed them about two weeks ago. i wish i could get a better photo to show you, but this thing is facing the backside of the aquarium so it is kinda hard to get a good shot.

 

[KahluaZzZ]

you could do a search in www.wetwebmedia.com...there's a google/wetweb search.
there's like 5 pages on worm ID or other LR creatures identification. Gotta go 4 now. Good luck

 

[spiffergirl]

thanks. i have searched wetwebmedia.com for the past two weeks with no results. i am attaching a drawn picture to better show the anatomy of this thing. one of the sacs has two open ends and the other has only one.

http://myfishtank.net/forum/attachment.php?attachmentid=4000&stc=1
id.bmp

 

[1979camaro]

thats a toughy...i know this isn't very specific but i would guess it is a filter feeding tunicate of some sort similar to a sea apple perhaps

 

[spiffergirl]

i think you are right 1979camaro. i looked up some photos of tunicates and i found this..... http://wetwebfotos.com/media/medium/5/2973_Clavelina_sp.BAH.tif.jpg

my little creature looks like a smaller version of one of those tunicates. i also found some info on how to feed them, so now i can sustain these awesome creatures.

thank you for the help guys!!

 

[KahluaZzZ]

yay u found it *thumbsups

 

[1979camaro]

i aim to please

 

[KahluaZzZ]

well you sure do..without you i think i would have killed everything in my tank , back in september.

 

[1979camaro]

i should say "we aim to please" as i don't work alone...its a team effort...GO OUR TEAM!