Polyplacophora | Chitonida
Slieker, F.J.A. 2004. (Ref. 289)
Size / Weight / Age
Max length : 1.7 cm TL male/unsexed; (Ref. 283)
Demersal; depth range 0 - 40 m (Ref. 289)
Climate / Range
Most common in oyster beds and among growths of algae (Ref. 290). Girdle: narrow; closely beset with minute spines but appearing almost smooth to the naked eye. Surface: Smooth but under a lens the valves are finely granulated in quincunx. Lateral areas: Scarcely defined. Valve color: Olive-brown, streaked, maculated or clouded with blue or chestnut (Ref. 297).
Depth based on occurrence record; to be replaced with better reference. Most common in oyster beds and among growths of algae (Ref. 290). Found from subtidal to 40 m (Refs. 289, 75835). 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)