| Sculpin snail | |
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| Species: | S. nana  | 
| Binomial name | |
| Stiobia nana F.G. Thompson, 1978  | |
The sculpin snail, scientific name Stiobia nana, is a species of small freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States.