Polyplacophora |
Chitonida |
Ischnochitonidae
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
. Subtropical
Northwest Pacific: Japan, south to Hong Kong.
Length at first maturity / Μέγεθος / Weight / Age
Γεννητική Ωρίμανση: Lm ?  range ? - ? cm Max length : 3.2 cm TL αρσενικό/απροσδιόριστο; (Αναφ. 283)
Body elongate, oval in shape; moderately elevated. Valves olive to blackish green; mostly blotched or streaked with dirty white or light pink. Valves sculptured with about fifty bifurcating, flat, radiating riblets, separated by very fine grooves. Girdle covered with small scales and grayish brown in color, often with yellowish blotches or bands.
Occurs in gravely shores (Ref. 289). Found from intertidal to 5 m, on rocks among gravel (Ref. 75835). Also found under stones (Ref. 128661).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Eggs | Γονιμότητα | 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 Asia, Japan and Pacific region. A Gallery of Worldwide Chitons: http://home.inreach.com/burghart/asia.html[accessed20/01/06] (Αναφ. 283)
IUCN Red List Status
(Αναφ. 130435: Version 2025-1)
CITES status (Αναφ. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Εργαλεία
Περισσότερες πληροφορίες
Population dynamicsΑύξηση
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Αφθονία
Life cycleΑναπαραγωγήΓεννητική ΩρίμανσηΓονιμότηταΓεννοβολίαEggsEgg developmentLarvae PhysiologyΚατανάλωση οξυγόνου
Human RelatedStamps, coins, misc.
Διαδικτυακές πηγές
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.