Klassificering / Namn
Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (hajar och rockor) (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 author: Walbaum.
Taxonomic Remarks
See momenclatural details in ECoF.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Tropical
South America: Amazon River basin (Ucayali, Solimões, Amazon, Negro, Branco, Madeira and its affluents in Bolivia, and Tocantins River) and Orinoco basin.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 80.0 cm WD hane/ej könsbestämd; (Ref. 36687); 78.0 cm WD (female); publicerad maxvikt: 14.0 kg (Ref. 27749); publicerad maxvikt: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5078 [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). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.54 se; based on food items. |
Resiliens (Ref. 120179) |
Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Fec=2). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |