Polyplacophora | Chitonida
Burghardt, G. and L. Burghardt. 2006. (Ref. 296)
Size / Weight / Age
Max length : 2.5 cm TL male/unsexed; (Ref. 296)
Demersal; depth range 0 - 40 m (Ref. 289)
Climate / Range
Eastern Pacific: Alaska, USA, Canada and Mexico.
Girdle: Sandy with a minute spiculose fringe; opposite all or some sutural areas there is a long hair with fine recurved short hairs along its stem; Cream with orange or red blotches in color. Valves: Appear smooth to the naked eye but are minutely granular under a lens; scarlet red in color with 4 small blue spots on the posterior edge or mottled olivaceous green and maroon (Ref. 296).
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).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models
Low vulnerability (10 of 100)