Polyplacophora | Chitonida
Environment / Climate / Range
Demersal; depth range 0 - 18 m (Ref. 290). Temperate
Eastern Pacific: Alaska and USA.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 5.1 cm TL male/unsexed; (Ref. 296)
Depth based on occurrence record; to be replaced with better reference. Usually found on the bottom of large rocks (Ref. 290). Members of the class Polyplacophora are mostly gonochoric. Life cycle: Eggs hatch into lecitotrophic planktonic trocophore larvae (no veliger stage) which later metamorphose and settle on the bottom as young adults (Ref. 833).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the class Polyplacophora are mostly gonochoric. Life cycle: Eggs hatch into lecitotrophic planktonic trocophore larvae (no veliger stage) which later metamorphose and settle on the bottom as young adults.
Burghardt, G. and L. Burghardt. 2006. (Ref. 296)
Valve colors: Rose, violet, light blue, green, yellow, reddish brown, orange or any combination of these. Girdle: Moderate width and is yellowish to light brown in color. Girdle: Has minute spicules interspersed with larger pointed spicules singly or in groups; there are also random coarse bristles bearing many spicules (Ref. 296).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimates of some properties based on models
): 7.1 - 14, mean 9.6 (based on 170 cells; Ref. 115970
Low vulnerability (10 of 100)