Tehuelche scallop
NameTehuelche scallop
Scientific NameZygochlamys tehuelcha
Common NameTehuelche scallop
FamilyPectinidae
GenusZygochlamys
Speciestehuelcha
Geographic DistributionSouthwestern Atlantic Ocean, primarily off the coast of Argentina, from northern Patagonia to Tierra del Fuego.
Habitatintertidal
Average Size (mm)70-100
Identifying FeaturesKey features include its fan-shaped shell, numerous strong radial ribs (typically 18-22), distinct auricles, and the characteristic color pattern of white/cream with reddish or purplish bands or blotches. The ribs are often rounded and smooth.
Dietfilter-feeder
Raritycommon
Author Citation(d'Orbigny, 1846)
Description
The Tehuelche scallop is a medium-sized marine bivalve mollusc, characterized by its distinctive fan-shaped shell. The shell is typically equivalve, with prominent, often numerous, radial ribs that extend from the umbo to the shell margin. It is a commercially important species in its native range.
