Trochus snails

[rstrahler]

I just recently purchased 4 trochus snails as part of my clean up crew for my 55 gallon setup. They were recommended to me because they supposedly can right themselves if they flip over. I placed them on the rocks and glass and almost everytime I check my aquarium in the morning or after work, at least one of them has flipped itself over and they don't appear to be making an effort right themselves. Should I be manually righting them or just letting them go on their own?

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[pagojoe]

The species that live on or among rocks can usually right themselves if they fall...on rocks. They can't right themselves on sand.