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Arctic, Northern Pacific and Northern Atlantic. Polar to temperate.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 4.0 cm DL male/unsexed; (Ref. 83435)
This is an epibenthic species found on reefs (Ref. 95730), and occurs on bathyal, infralittoral and circalittoral of the gulf and estuary (Ref. 87872).
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Sexes are separate but are seldom conspicuously different externally, simultaneous hermaphrodites yet self-fertilization is prevented due to various morphological, physiological, or behavioral mechanisms; generally, marine gastropods shed their eggs (Ref. 87872).