Polyplacophora |
Chitonida |
Ischnochitonidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق 0 - 1000 m (مرجع 116516), usually 10 - 100 m (مرجع 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 / سن
بلوغ: Lm ?  range ? - ? cm Max length : 1.3 cm TL جنس نر / بدون خواص جنسي; (مرجع 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
بلوغ | تولید مثل | تخم ریزی | 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.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
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] (مرجع 281)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
استفاده انسانی
| FishSource |
ابزارها
اطلاعات بيشتر
Trophic EcologyFood items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
Population dynamicsرشد
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
فراواني
Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
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).
طبقه قيمت
Unknown.