Polyplacophora |
Chitonida |
Tonicellidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; depth range 0 - 183 m (Ref. 128573), usually 0 - 20 m (Ref. 128573). Polar
Arctic, Northern Pacific and Atlantic Ocean.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 2.5 cm TL male/unsexed; (Ref. 281)
Oblong to oval in shape; elevated and rather acutely angular valves. Valves: Colored a light tan covered with a heavy suffusion of dark red maculations and specks. Surface of valves: Smooth; granulated under a lens. Lateral areas: Not distinctly outlined. Girdle: leathery and without scales or bristles (Ref. 281).
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. 281)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood itemsDietFood consumptionRationPredators Population dynamicsGrowth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 0.3 - 10, mean 2.2 (based on 720 cells).
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.