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Discussion Starter · #1 ·
What is this? I found it while cleaning out my sump. At first it looked like slime but then it started moving. Kind of looks like a snail without a shell or a nudebrach. Is it safe for my display tank? Will my mandarin eat it? so many questions....lol.

picture is a little misleading but it is the same creature...
 

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Underwater Demolitions
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A snail that looks like it has no shell might be a Stomatella..it has a "cap" rather than a typical snail shell. But it's impossible to know without a pic.
 

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Discussion Starter · #7 ·
i think it is one of these....
Purse Shell Flatworm (Pericelis sp.)
whats the deal with these?
 

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Get rid of it! Flat worms are a menace. No matter how big or colorful they are. They produce asexually and reproduce quickly if they have a good food source.
 
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