weird snails with no shells

[bluekrissyspike]

i just helped my mom set up a tank for guppies at her house this week and there are a bunch of snails with no shells in it. i don't know where they came from, they are too big to have been put in there without noticing. what's in the tank: 2 small guppies, brand new gravel, 2 ornaments that have been dried out for...a year at least? unsure of exact time. and some duckweek. i know snails can seem to come up randomely but these ones are all shell less. so far there are 4 of them, various sizes.

 

[bradlgt21]

I was about to tell you it's planeria and then I saw your pictures. They look like snails with no shells... Just like you said, so nevermind I have never seen that before. Crazy looking things. If you had fish bigger then guppies I bet these wouldn't last long.

 

[cpetrosky]

Looks like a nudibranch but I've never herd of any freshwater species


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[petluvr]

Limpet maybe?

 

[happypoet]

Can you get a pic from the top?

 

[Juice]

I've had ramshorns lose their shells, they never lived longer than a few days afterwards. Not sure if yours are ramshorns though..interesting!

 

[bluekrissyspike]

hmm..they could be ramshornsd. i wonder what would cause them to lose their shells.

 

[AquaticAustin]

The bodies look thicker than a ramshorm, or the ones iv have... these are really wierd!

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[jackiomy]

Yuck!

 

[RazzleFish]

I'm not sure what they are but if I came across them I'd have to set up a new tank... Maybe make a few bucks breeding them!