Radially-Ribbed Keyhole Limpet

Diodora quadriradiata

Radially-Ribbed Keyhole Limpet

A small keyhole limpet that clamps onto coarse sand and stones from the intertidal down to about thirty metres. In Hong Kong it has been found clinging to the ceilings and walls of submarine caves, breathing through the single hole at the peak of its ribbed shell.

Taxonomy: Animalia › Mollusca › Gastropoda › Lepetellida › Fissurellidae › Diodora

Species data via the World Register of Marine Species (WoRMS), AphiaID 211171.

FAQ

How deep does the Radially-Ribbed Keyhole Limpet live?
The Radially-Ribbed Keyhole Limpet (Diodora quadriradiata) is typically found at 10–30 m.
Is the Radially-Ribbed Keyhole Limpet dangerous to divers?
The Radially-Ribbed Keyhole Limpet is harmless to divers.