Polyplacophora | Chitonida
Environment: milieu / climate zone / depth range / distribution range
Benthic; depth range 0 - 40 m (Ref. 289). Temperate
Eastern Pacific: Alaska, USA, Canada and Mexico.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 2.5 cm TL male/unsexed; (Ref. 296)
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).
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)
IUCN Red List Status (Ref. 115185)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 8.9 - 15.6, mean 10.3 (based on 52 cells).
Low vulnerability (10 of 100)