Gastropoda |
Cephalaspidea |
Retusidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
. Subtropical
Northwest Pacific: China.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm
Shell is small, elongate-oval. Attenuated above, elongate and rounded below. White in color, thin, and semipellucid. Spire is sunken and deeply perforated. Body whorl is large, with the surface sculptured with wavy spirarl striae at both ends. Aperture is narrow, length is same as the whorl. Outer lip is slightly straight and the basal margin is rounded. Columellar lip slightly thickened and curved. Umbilicus is narrow and slit-like.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php (مرجع 3477)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
Harmless
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 مثل
بلوغ
Fecundity
تخم ریزی
Eggs
نمو تخم
Larvae
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models