Polyplacophora | Chitonida
Environment / Climate / Range
Eastern Pacific: Canada, Alaska to Mexico.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 5.1 cm TL male/unsexed; (Ref. 296)
Intertidal to shallow subtidal (Ref. 290). Appears to have an annual reproductive cycle with spawning cued by spring phytoplankton (Ref. 290).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Appears to have an annual reproductive cycle with spawning cued by spring phytoplankton (Ref. 290).
Burghardt, G. and L. Burghardt. 2006. (Ref. 296)
Girdle: Wide with sparse flat glassy hairs having several recurved spines at the base. Mucro: Strongly posterior. Valves: Beaked slightly. Central areas: Longitudinally ribbed and where each rib touches the lateral area there is a granular pustule. Pustules: Form a heavy lateral rib; from this rib the central area rib continues at an oblique angle on the lateral areas until it again reaches a granular pustule at the posterior edge of the valve; pustules form another granular rib along the posterior edge of each valve. Color: Ranging from dull gray, grays with white, greens with yellows, whites with yellows, greens with red, greens with maroon with white mixed in (Ref. 296). Body: Oval to elongate (Ref. 290). Girdle: Medium wide nude; microscopically granulated fleshy. Mucro: Anterior. Central areas: Smooth. Lateral areas: Defined by a slightly raised rib with a smooth area inside. Color of valves: Blood red with white lightning marks. Color of girdle: Cream (Ref. 296).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
| FisheriesWiki |
Estimates of some properties based on models
): 6.1 - 14, mean 8.8 (based on 364 cells; Ref. 115970
Low vulnerability (10 of 100)