Potamotrygon brachyura

(GÜNTHER, 1880)

Short-tailed river stingray
Classification: Elasmobranchii Rajiformes Potamotrygonidae

Reference of the original description
GÜNTHER, A. (1880)
A contribution to the knowledge of the fish-fauna of the Rio de la Plata. Annals and Magazine of Natural History, (Series 5), 6: 7-15

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Potamotrygon brachyurus, Potamotrygon brumi, Raja brachyura (GÜNTHER, 1880), Trygon brachyurus

Potamotrygon brachyura
Holotype: BMNH: 1953.8.10.14 (old: BMNH 1879.2.12.4)
Potamotrygon brumi
Holotype: MHNM: ? (not found)


Citation: Potamotrygon brachyura (GÜNTHER, 1880): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 09/2015

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Common names
spa Raja, spa Raya, eng Short-tailed river stingray, eng Shorttailed river stingray, por Arraia, por Raia

South America: Paraná-Paraguay (including Cuiabá river in Brazil), Uruguay basins and Argentina [5839]. Formerly classified as data deficient in the 2000 IUCN red list of threatened species.

Human uses
fisheries: subsistence fisheries

Size / Weight / Age
95.0 cm WD (male/unsexed; (Ref. 36687)); max. published weight: 208.0 kg (Ref. 72380)

demersal; freshwater

Parasites (arranged by Jürgen Pollerspöck)
  • Potamotrygonocotyle chisholmae DOMINGUES & MARQUES, 2007 [14308] [14549] [22565]
  • Potamotrygonocotyle dromedarius DOMINGUES & MARQUES, 2007 [14308]
  • Potamotrygonocotyle uruguayensis DOMINGUES & MARQUES, 2007 [7408]

  • Rhinebothrium paratrygoni REGO & DIAS, 1976 [13826]