Brotia herculeaBrotia 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.DescriptionB. herculea has a taenioglossan radula. Its shell is large and turreted. The presence of axial ribs is highly variable.DistributionThis species occurs in Myanmar and Thailand.Human useIt is a part of ornamental pet trade for freshwater aquaria. It is considered low-risk for invasiveness.