Acroloxus velkovrhi Bole, 1965 Acroloxus lacustris, or the lake limpet, is a small freshwater limpet or snail, a species of aquatic gastropod mollusk in the family Acroloxidae.

(7 mm long, 3 mm wide and 2 mm high) shell is laterally compressed elongate and limpet-like (no whorls and cone or hat shaped) with a sharp apex twisted to the left The colour is yellowish-grey to brown.

On thin plant stems the shells are narrow, and more parallel-sided on leaves and stones they are rather wide oval.

This species of freshwater limpet is found in European countries and islands including: Acroloxus lacustris prefers still water.

It is thought to be extinct in Israel due to habitat loss.