Bivalvia | Adapedonta
Environment: milieu / climate zone / depth range / distribution range
Benthic; depth range 0 - 110 m (Ref. 865). Temperate; 61°N - 26°N, 146°W - 112°W (Ref. 104413)
Eastern Pacific: From Alaska to Baja California. Subtropical to temperate.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 17.5 cm SHL male/unsexed; (Ref. 865); max. reported age: 100 years (Ref. 8702)
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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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.
Pacific Northwest Shell Club. 2014. (Ref. 94906)
IUCN Red List Status (Ref. 126983)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates based on models
): 8.3 - 12.8, mean 9.8 (based on 80 cells).