Potamotrygon falkneri

Castex & Maciel, 1963


Largespot river stingray
Classification: Elasmobranchii Myliobatiformes Potamotrygonidae

Reference of the original description
Castex, M.N. & Maciel, I. (1963)
Caracteristicas del Potamotrygon falkneri sp. n. In El género Potamotrygon en el Paraná medio. Anales del Museo Provincial de Ciencias Naturales Florentino Ameghino, Zoología, 2(1): 56–61

Synonyms / new combinations and misspellings
Potamotrygon castexi, Potamotrygon cf. castexi, Potamotrygon cf. falkneri, Potamotrygon menchacai

Types
Potamotrygon falkneri
Holotype: MFA: 235; Paratype: MFA: 279;
Potamotrygon castexi
Holotype: MACN: 5777 (apparently lost) ; Paratype: ILAFIR: 100; MFA: 288;
Potamotrygon menchacai
Holotype: MFA: 289;


Description :


Citation: Potamotrygon falkneri Castex & Maciel, 1963: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 03/2024

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Potamotrygon falkneri Castex & Maciel, 1963, © Dr. Domingos Garrone Neto, Brazil
Common names
spa Raya, spa Raya de rio, eng Largespot river stingray, eng Tiger ray, por Arraia, por Raia

Distribution
South America: Paraná-Paraguay River basin, from Cuiabá and Piquiri rivers (among others) to the La Plata River. Source: www.gbif.org

Human uses
fisheries: of no interest; aquarium: show aquarium

Biology
After a pregnancy of about 20 weeks two pups were born in the John-Shedd-Aquarium, New York.

Size / Weight / Age
47.0 cm WD (male/unsexed; (Ref. 36687))

Habitat
benthopelagic; freshwater

Remarks
shark-references Species-ID=4945; CITES: (see: Protected Species for more details) Convention on International Trade in Endangered Speciesof Wild Fauna and Flora annex: III; Council Regulation 2017/160 annex: C

Parasites (arranged by Jürgen Pollerspöck)
Monogenea
Cestoda
Trematoda
Nematoda
Acanthocephala