رده بندی / Names
اسامي عام | مترادف | Catalog of Fishes(جنس, گونه ها) | ITIS | CoL | WoRMS | Cloffa
(كوسه ها و سپرماهيان) (sharks and rays) >
Myliobatiformes (Stingrays) >
Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Paratrygon: Greek, para in the side of + Greek, trygon = a sting ray (Ref. 45335); aiereba: Name from an old Tupi language referring to a specific type of marine stingray (possibly Styracura schmardae), which occurs on the coast of northeastern Brazil. As an adjective, the specific name also means smooth, unmarked, shallow.
More on authors: Müller & Henle.
Issue
See name spelling and authorship in Eschmeyer (CofF ver. Oct. 2012: Ref. 92135).
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
South America: Amazon River basin (Ucayali, Solimões, Amazon, Negro, Branco, Madeira and its affluents in Bolivia, and Tocantins River) and Orinoco basin.
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 80.0 cm WD جنس نر / بدون خواص جنسي; (Ref. 36687); 78.0 cm WD (female); بيشينه وزن گزارش شده: 14.0 kg (Ref. 27749); بيشينه وزن گزارش شده: 14.0 kg
Common in shallow areas and near banks (Ref. 27749). Reproductive biology in upper Orinoco basin provided by Lasso et al. (1997a), where females appear to bear only two young per gestation. Larger individuals may attain 25 kg in weight. Food includes insects, crustaceans and fishes (Ref. 36687).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
de Carvalho, M.R., N. Lovejoy and R.S. Rosa, 2003. Potamotrygonidae (River stingrays). p. 22-28. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36687)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (مرجع
69278): 3.4 ±0.54 se; based on food items.
جهندگی (مرجع
120179): خیلی آهسته, كمينه زمان لازم براي دو برابر شدن جمعيت بيش از 14 سال (Fec=2).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).
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