Polyplacophora |
Chitonida |
Ischnochitonidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 1000 m (Ref. 116516), usually 10 - 100 m (Ref. 116516). Polar
Northern Atlantic, Pacific Ocean and the Arctic Ocean: Europe, USA, Scotland and Sea of Japan. Temperate to polar.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 1.3 cm TL hane/ej könsbestämd; (Ref. 281)
Body: Oblong; moderately elevated. Valves: Dorsal surface, smoothish except for irregular concentric growth ridges and a very fine sandpaper effect; Color, whitish, cream, light-orange or rarely marked with brown. Girdle: Resembles sandpaper, with tiny, closely packed gravelly scales (Ref. 281).
Habitat: On or under stones; rocky shores (Ref. 293). Found from subtidal to 100 m (Ref. 75835).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | 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 Selected Chitons of Caribbean Area and the East Coast of United States and Canada. A Gallery of Worlwide Chitons: http://home.inreach.com/burghart/eastcoas.html[accessed20/01/06] (Ref. 281)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 0.1 - 10.2, mean 2.8 (based on 2507 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.