Polyplacophora | Chitonida
Burghardt, G. and L. Burghardt. 2006. (Ref. 283)
Size / Weight / Age
Max length : 3.5 cm TL male/unsexed; (Ref. 289)
Climate / Range
Northwest Pacific: Russia and Japan.
Dark brown with whitish along dorsal ridge. Girdle: Wider at anterior; it is brownish in color, densely covered with minute, slender, pointed, yellowish-brown spicules; these are sparsely interspersed with fairly thick, round bristles (Ref. 283).
Found from intertidal to subtidal, on rocks (Refs. 289, 75835) (Ref. 289). 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)