Polyplacophora |
Chitonida |
Tonicellidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
. Temperate
Eastern Pacific: Alaska, Mexico and USA.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 3.8 cm TL جنس نر / بدون خواص جنسي; (مرجع 296)
Body: Uncommon form sometimes found which is red-brown in color. Girdle: medium wide sandy, eroded; flesh or dark gray mottled in color. Surface of the valves: Appears smooth but is microscopically granulated; has scattered wart-like granules which are heavier on the lateral areas; commonly grayish green with darker markings. Lateral areas: Definable. Murco: Forward. Body: uncommon form sometimes found which is red-brown in color (Ref. 296).
Habitat: Intertidal to shallow subtidal (Ref. 289); found in southern California in the mid-tide zone at the rocky shores, especially at Little Corona and Palos Verdes (Ref. 310). Occurs at the mid tide mark.
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 West Coast Chitons. A Gallery of Worlwide Chitons: http://home.inreach.com/burghart/wcoast.html[accessed20/01/06] (مرجع 296)
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 dynamicsرشدMax. ages / sizesLength-weight rel.Length-length rel.نوسانات طولیMass conversionفراواني Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
طبقه قيمت
Unknown.