Rayed keyhole limpet
NameRayed keyhole limpet
Scientific NameFissurella radiata
Common NameRayed keyhole limpet
FamilyFissurellidae
GenusFissurella
Speciesradiata
Geographic DistributionIndo-Pacific region, including areas such as the Philippines, Indonesia, and other tropical Pacific islands.
Habitatintertidal
Shell Shapeconical
Average Size (mm)30-60
Identifying FeaturesThe most prominent identifying features are the apical keyhole-shaped foramen, the strong radial ribbing, and the characteristic 'rayed' pattern of alternating light and dark radial bands. The shell's overall shape is a low cone.
Raritycommon
Author CitationLamarck, 1822
Description
A marine gastropod mollusc, commonly known as the Rayed keyhole limpet, characterized by its conical, limpet-like shell with a distinctive apical opening (foramen) and prominent radial color patterns. The shell is typically oval in outline and features strong radial ribs.
