Stocky pebblesnail

The stocky pebblesnail, scientific name Somatogyrus crassus, is a species of very small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States. Its natural habitat is rivers.

Stocky pebblesnail

The stocky pebblesnail, scientific name Somatogyrus crassus, is a species of very small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States. Its natural habitat is rivers.