Resident Aquarium Nerd
Join Date: Apr 2004
Location: Murfreesboro, TN
By zebra snail do you mean a nerite snail?
He might be moving around when you're not looking and snails aren't always the most active creatures to begin with. But if you're concerned, test your water parameters. Snails are more sensitive to water quality than fish.
"We weep for a bird's cry, but not for a fish's blood. Blessed are those with a voice."
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