Bivalvia |
Unionida |
Mycetopodidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين; تغييرات عمق ? - 20 m (مرجع 126701), usually 1 - 2 m (مرجع 126701). Tropical
South America Inland Waters.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm
Very large sized shell, trapezoid outline, thin walled, glassy and smooth periostracum. Mantle with well developed fourth fold, tentacles in excurrent and incurrent canals lacking. Palps with smooth outer surface, with inner large folds, easily view, smooth inner margin. Wide transversal ctenidial folds. Anal papilla thin walled. Pallial cardinal muscle sporadically developed. Posterior region color dark-brown, anterior and median regions vary from dark-brown to pale-green. Hermaphroditic gonad.
Widely distributed in hydrographic regions of the South America, inhabits sandy to muddy or with deposits of silt and clay, never found in gravel or rocky substrates. Also found in river with lower water velocities or in marginal lakes, where it finds food (phytoplankton) in abundnace (Refs. 126701, 126703) (Ref. 126701).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Simone, L.R.L. de 1994 Anatomical characters and systematics of Anodontites trapesialis (Lamarck, 1819) from South America (Mollusca, Bivalvia, Unionoida, Muteloidea). Studies on Neotropical Fauna and Environ. 29(3):169-185. (مرجع 126701)
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