Gastropoda | Neogastropoda
Environment: milieu / climate zone / depth range / distribution range
Benthic; depth range 0 - 60 m (Ref. 95344). Subtropical
Eastern Pacific and the Arctic: Alaska to California. Subtropical to boreal.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 9.0 cm SHL male/unsexed; (Ref. 865); common length : 8.0 cm SHL male/unsexed; (Ref. 312)
Description: Shell has spiral ridges. Has at least three prominent wing-like structures, worn off in older snails. Color is brown and white to creamy-white. Young snails have tooth-like projections on the lip of the shell (Ref. 312).
Occurs in the low intertidal zone. Uses the radula to bore through the calcareous shells of its prey (clams, mussels, and barnacles; Ref. 312) (Ref. 312). Members of the order Neogastropoda are mostly gonochoric and broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults (Ref. 833).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the order Neogastropoda are mostly gonochoric and broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults.
Gallivan, G. and J. Danforth. 1999. (Ref. 312)
IUCN Red List Status (Ref. 120744)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 5.7 - 12, mean 8.9 (based on 132 cells).