Easter Island Scallop
NameEaster Island Scallop
Scientific NamePascahinnites coruscans
Common NameEaster Island Scallop
FamilyPectinidae
GenusPascahinnites
Speciescoruscans
Geographic DistributionEastern Pacific Ocean, primarily found around Easter Island (Rapa Nui) and other Polynesian islands.
Habitatsubtidal
Average Size (mm)Up to 30-40 mm in height.
Identifying FeaturesDistinctive zigzag or wavy color pattern on the exterior, numerous prominent radial ribs that are often squamose or nodulose, and the characteristic scallop shape with unequal auricles.
Dietfilter-feeder
Raritycommon
Author Citation(Hinds, 1845)
Description
A small, bivalve mollusk shell, commonly known as a scallop, characterized by its suborbicular to ovate shape, prominent radial ribs, and distinctive color patterns. The exterior typically displays reddish-brown to maroon hues with irregular white zigzag bands, while the interior is lighter, often whitish with faint mottling. It possesses unequal auricles (ears) on either side of the umbo.
