Bivalvia | Myoida
Pacific Northwest Shell Club. 2014. (Ref. 94906)
Size / Weight / Age
Max length : 17.5 cm SHL male/unsexed; (Ref. 865); max. reported age: 100 years (Ref. 8702)
Benthic; depth range 0 - 110 m (Ref. 865)
Climate / Range
Temperate; 60°N - 27°N, 145°W - 113°W (Ref. 104413)
Eastern Pacific: From Alaska to Baja California. Subtropical to temperate.
Maximum depth based on occurrence record (Ref. 105142); to be replaced with a better reference. It is found on sandy and muddy bottoms, in low intertidal areas to a depth of 15 meters (Ref. 865). Subtidal populations aggregate in dense beds to a depth of 110 m (Ref. 105142). Adults bury up to 1 m (Ref. 105154). Juveniles are preyed upon by fish, starfish, crabs, and snails (Ref. 105142). Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models