Brotia herculea
Brotia herculea, common name the giant tower cap snail, is a species of freshwater snail with an operculum, an aquatic gastropod mollusc in the family Pachychilidae. Description. "B. herculea" has a taenioglossan radula. Its shell is large and turreted. The presence of axial ribs is highly variable. Distribution. This species occurs in Myanmar and Thailand. Human use. It is a part of ornamental pet trade for freshwater aquaria. It is considered low-risk for invasiveness.