Polyplacophora | Chitonida
Burghardt, G. and L. Burghardt. 2006. (Ref. 296)
Size / Weight / Age
Max length : 5.1 cm TL male/unsexed; (Ref. 296)
Climate / Range
Eastern Pacific: Canada, Alaska and USA.
Girdle: Medium wide which is nearly nude and fleshy with sparse hairs having glassy spines. Hairs: More numerous near the outer margin of the girdle. Mucro: Posterior. Central areas: Very obsolete cross ribbing which allows only a pitting to be noticed. Lateral areas: Slightly raised and faintly defined with nodulose ribbing. Inside: Comprised of obsolete diagonal granulated ribbing. Color of the valves: Green, white, red, yellow and mottled with any or all of these colors (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
| FisheriesWiki |
Estimation of some characteristics with mathematical models
Low vulnerability (10 of 100)