AquaWiki海鉴 · Northern China Seas

Bivalves · Pectinidae

Bay scallop

Argopecten irradians · 海湾扇贝

Field marks

Both valves convex; about 17–20 rounded, even radial ribs; auricles nearly equal; greyish-brown with mottling

Size
Shell height 6–8 cm
Habitat
Native to shallow seagrass beds in bays
Distribution
Native to the US Atlantic coast; widely farmed in northern China
Diet
Filters phytoplankton
Counted in
individuals
Notes
Introduced to China in 1982; fast-growing, harvested within a year

Profile compiled from common references; awaiting expert review.

Same family

Other species in Pectinidae

Yesso scallop
Mizuhopecten yessoensis

Shell height up to 20 cm; farmed adults mostly 10–12 cm

Farrer's scallop
Azumapecten farreri

Shell height 6–8 cm

Observations

Observations of Bay scallop

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