Stenomelania denisoniensis is a very variable species of freshwater snail, an aquatic gastropod mollusk in the family Thiaridae.

[2] Stenomelania denisoniensis has a long, slender shell and small aperture.

This shoulder may be strong in some individuals and weak in others even if they are part of the same population.

[3] "On and in sediment, rocks and on water weeds in freshwater rivers, streams, lakes and dams.

Stenomelania denisoniensis broods larvae in a brood pouch in the head which may contain a dozen shelled juveniles and many unshelled juveniles in different embryonic stages.