ID please pics!

murph145

murph145

Active Member
heres two pics i took the other night while lookin at my tank....
the first is of my GSP colony there is some white stuff in one section .... im not sure what it is.... sponge maybe im not sure looks like some kinda funnel comes out in the center part of it.... when lights are on u cant see it since the GSP opens up...
the second is off of a small clove polyp frag.... there are 2 slug type things brown.... they dont have any frilly stuff on them like most nudibranchs ive seen.... im wondering if they are bad and do i have to try and fish them out??
thanks for info

 
bigarn

bigarn

Active Member
If it has a spout pic 1 could be a tunnicate (sp) sponge. :thinking:
I really can't tell anything from pic 2. :D
 
murph145

murph145

Active Member
yeah it has a spout coming out of it i noticed i have a few of them throughout the tank....
so they are some sort of a sponge huh....
thanks... :happyfish
 
bigarn

bigarn

Active Member
I believe they're filter feeders, but I really don't know as far as spreading and overtaking the GSPs. I've never seen one growing there. :D
 
murph145

murph145

Active Member
gotcha....
yeah cuz i have noticed it slowly getting bigger over time.... dont know if it could smother out the gsp or not.... they still extend as of now i guess no big deal.... the other ones i see are on rocks in shadier places maybe thats y its growing there :notsure:
 
yosemite sam

yosemite sam

Active Member
The 1st picture looks like it's either a colonial tunicate or some type of sponge. Either way, it shouldn't be a problem. The second picture is hard to see. They do look like some sort of nudi. Can you get a better photo?
 
bigarn

bigarn

Active Member
Yosemite ..... What's the difference between a colonial tunicate and a sponge?
Thanks,
bigarn
:D
 
yosemite sam

yosemite sam

Active Member
Tunicates are a completely different critter than sponges. They are inverts, but members of the phylum chordata, and when they are larvae they actually have primitive spinal chords and look kinda like tadpoles. Some types grow in colonies, and others as individuals. You see some sold occasionally, usually called sea squirts, and they look like a big bean with holes at each end.
 
ophiura

ophiura

Active Member
Hmmm, that first one is a tough call. I would lean toward sponge but then the picture is kinda too far away to tell. Sponge would come off easier than a colonial tunicate...and colonial tunicates are often (but not always) somewhat colorful with relatively easy to spot individuals. There are some pictures in the hitch hiker ID thread in the new hobbyists forum.
The second photo...hard to tell....Stomatella snails??? :notsure: Also some pictures in the hitch hiker thread though.
 
bigarn

bigarn

Active Member
Thanks for the excellent clarification Yosemite. Now another question ..... I have a yellowish green growth the size of a golfball on the side of one of my rocks, it has quite a few of these spouts .... In your opinion Dr., tunicate or sponge?
Thanks Again :D
 
bigarn

bigarn

Active Member
Thanks Ophiura, I didn't see anything that looks like my critter though.
Thanks Yosemite, I'll try for a picture. This guy was the size of a pencil eraser when I got it as a hitchhiker a year ago. :D
Murph .... No hijack intended... I think this will help us both.
 
bigarn

bigarn

Active Member
Originally Posted by ophiura

Nice sponge and nice picture!
Thanks Ophiura. :D
The picture is courtesy of my nephew.
 
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