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View Full Version : I fear Flatworms > confirm ID?

Ismellikefish
11/02/2007, 09:39 PM
I came home with the lights off ( dark ) and saw 3 of these things in my tank. I think they are flatworms but I want to confirm them.

The center is hard and was suctioned cupped to the rock/glass
The outer "skirt" is paper like.

http://i201.photobucket.com/albums/aa65/Ismellikefish/IMG_0771.jpg

http://i201.photobucket.com/albums/aa65/Ismellikefish/IMG_0774.jpg

Thanks in advance
just dave
11/02/2007, 10:23 PM
Look like Stomatella sp. snail.
Sk8r
11/02/2007, 10:36 PM
possibly stomatella, possibly nudi. If it has a saddle-like shell-plate and long antennae, stomatella, if otherwise nudi or even chiton. Doesn't look flatwormish to me as of these photos.
Ismellikefish
11/02/2007, 10:40 PM
Yes saddle like and has 2 antennas

so it must be stomatella > they bad?
greenbean36191
11/02/2007, 11:29 PM
Those are Scutus, a type of limpet. They're harmless.
pledosophy
11/03/2007, 01:10 AM
put them back in the tank, they are good.
Frick-n-Frags
11/03/2007, 06:46 AM
FW's are about the size of a fat pencil mark maybe 1mmX2mm or so. also the crazy ones are sort of rust orange colored.
Crazy4salth2o
11/03/2007, 06:57 AM
Agreed...not flatworms
LeslieH
11/03/2007, 08:36 AM
Mike's right as usual. :)
barjam
11/03/2007, 08:42 AM
As been mentioned, they are scutus and are harmless *UNLESS* you have members of the pocilloporidae family (such as Pink Bird's nest).

I had to remove mine for that reason.
just dave
11/03/2007, 09:46 AM
<a href=showthread.php?s=&postid=11107377#post11107377 target=_blank>Originally posted</a> by greenbean36191
Those are Scutus, a type of limpet. They're harmless.

The top one in the first picture sure looks like a Stomatella. It seems like I can even see the shell on the outside. It does not look like the Limpet you are referring to.
barjam
11/03/2007, 03:03 PM
The top one is the one that made me think Scutus more than any of the others. Scutus do have white shells but they shroud them with a black flap most of the time. Under stress you usually see them better.
Paintbug
11/03/2007, 04:20 PM
thats a Scutus for sure. They are also called fleshy limpets.
just dave
11/03/2007, 06:57 PM
I've seen them but that one looks like the shell is on the outside.
pagojoe
11/04/2007, 12:20 PM
The shell IS on the outside if you make them withdraw the mantle, just like cowries and marginellids and lots of other snails that have glossy shells. Scutus don't have internal shells like sea hares.

Cheers,


Don