Fissurella radiosa
NameFissurella radiosa
Scientific NameFissurella radiosa
Common NameRadiant Keyhole Limpet
FamilyFissurellidae
GenusFissurella
Speciesradiosa
Geographic DistributionPacific coast of South America, particularly Chile and Peru.
Habitatintertidal
Shell Shapeconical
Average Size (mm)20-50
Identifying FeaturesThe most distinctive feature is the oval to keyhole-shaped apical foramen. Other features include the low-conical shape, strong radial sculpture, and the characteristic radiating color pattern.
Raritycommon
Author CitationLesson, 1831
Description
A species of keyhole limpet, characterized by its low-conical, limpet-like shell with a distinctive oval to keyhole-shaped apical opening (foramen). The shell exhibits prominent radial ribs and a striking pattern of alternating light and dark bands radiating from the apex. It is typically found in intertidal and shallow subtidal rocky environments.
