The Water Scavenger Beetle (Cercyon laminatus) is a very small insect in the Hydrophilidae family of freshwater beetles. It is an hydrophilid.

The Water Scavenger Beetle has a elongatd dark-coloured body, interrupted between the pronotum (head) and elytra (wing cases) – there is a space between the two body parts. It has irregular longitudinal grooves on its wing cases. It has club-shaped antennae.