Nodipecten magnificus
NameNodipecten magnificus
Scientific NameNodipecten magnificus
Common NameGiant Pacific Rock Scallop
FamilyPectinidae
GenusNodipecten
Speciesmagnificus
Geographic DistributionEastern Pacific Ocean, ranging from Southern California, USA, down to Baja California, Mexico.
Habitatsubtidal
Average Size (mm)Typically ranges from 150 to 250 mm (15 to 25 cm) in diameter.
Identifying FeaturesIts large size, robust shell with distinctive nodose radial ribs, and the vivid red/orange mantle edge with numerous bright blue ocelli are key identifying features. The shell is often encrusted with epibionts, as seen in the image, which can obscure its natural shell coloration.
Dietfilter-feeder
Rarityrare
Author Citation(Sowerby I, 1835)
Description
A large, robust scallop species, often found attached to rocky substrates. Its shell is characterized by strong radial ribs, and the living animal displays a vibrant red or orange mantle edge adorned with numerous iridescent blue eyes (ocelli) and sensory tentacles. The upper valve is frequently encrusted with epibionts, providing camouflage.
