What Type of Snail Will ?

[Msdevine]

Clean a tank with crays in it? I was told a olive nerite snail and wanted to check and see if that is the only one.

[kush]

I'm not sure why any particular snail would be better than any other at cleaning up after crays unless its a question of soft succulent unprotected snail bits dangling tantalizingly in the current, like an apple or mystery would, for example. In which case, the nerites would be a good pick because they're pretty compact and don't have a lot of readily available escargot and they have really hard uncrushable shells. I'd think MTS would be even better. I use both together and I never have to wipe the glass.