What the ?

[BrendanH]

I just noticed these little tikes on one of my live rocks. Any idea what they are ? Anything to be concerned about ? Thanks.

 

[BrendanH]

BTW - I have not noticed any movement - they just sit there.

 

[snapcrackler]

Looks like pineapple sponges to me.

They just sit there and filter. I have quite a few of those things.

 

[steve-s]

Actually it looks like a type of tunicate. I could not find a species name though.

Cheers
Steve

 

[BrendanH]

Thanks guys - I think steve-s is right. Looks like a :

http://zubi.merseine.nu/student/broschi/Pictures/Zubi/Chordatiere/Didemnum-moseleyi1.jpg

 

[snapcrackler]

I thought the left sided one had a little pineapple top on it.

You guys are probably right tho.

Sponges, tunicates and sea squirts oh my!