Field marks
Right (lower) valve more convex and yellowish-white; left (upper) valve flatter and purplish-brown; auricles nearly equal
- Size
- Shell height up to 20 cm; farmed adults mostly 10–12 cm
- Habitat
- Cold-water; sandy-gravel bottoms at 5–40 m
- Distribution
- Native to Hokkaido and the Russian Far East; farmed in Liaoning and northern Shandong
- Diet
- Filters phytoplankton and organic detritus
- Counted in
- individuals
- Notes
- Introduced to China in the 1980s; raft and bottom culture; one of the main farmed scallops in the north
Habitats
Easily confused with
References
Profile compiled from common references; awaiting expert review.
Same family
Other species in Pectinidae
Bay scallop
Argopecten irradians
Shell height 6–8 cm
Farrer's scallop
Azumapecten farreri
Shell height 6–8 cm
Observations