Elasmobranquios (tiburones y rayas) (sharks and rays) >
Myliobatiformes (Stingrays) >
Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335).
Eponymy: Leopold Filips Karel Albert Meinrad Hubertus Maria Miguel, King Leopold III of Belgium (1901–1983) was King of the Belgians (1934–1951) before abdicating in favour of his son. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
Known from three specimens in collections, this species may be endangered because of high endemism (Rosa & Menezes, 1996). Reproductive biology unknown. Additional references: Walschaerts (1987), Compagno & Cook (1995).
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico; pH range: 6.0 - 6.8. Tropical; 20°C - 25°C (Ref. 13614)
South America: Xingu River basin (Xingu and Fresco rivers).
Longitud en la primera madurez / Tamaño / Peso / Edad
Madurez: Lm 35.0, range 30 - 40 cm
Max length : 111 cm WD macho / no sexado; (Ref. 111518); peso máximo publicado: 17.0 kg (Ref. 111518)
Buried in sand during day, hunting for benthic invertebrates during night (Ref. 13614).
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: comercial; Acuario: Acuarios públicos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [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).
Nivel trófico (Referencia
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Generation time: 10.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliencia (Referencia
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (tm=3-4; Fec=2 (in captivity)).
Vulnerabilidad pesquera (Ref.
59153): High vulnerability (58 of 100).
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