Plesiotrygon iwamae

ROSA, CASTELLO & THORSON, 1987


Long-tailed river stingray
Classification: Elasmobranchii Rajiformes Potamotrygonidae

Reference of the original description
ROSA, R.S. & CASTELLO, H.P. & THORSON, T.B. (1987)
Plesiotrygon iwamae, a new genus and species of neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae). Copeia, 1987 (2): 447-458

Image of the original description
Image in copyright.

Types
Plesiotrygon iwamae
Holotype: MZUSP: 10153; Paratype: FMNH: 94500; MNRJ: 573; MZUSP: 14789; USNM: 258298; ZMH: 10343;


Description:


Citation: Plesiotrygon iwamae ROSA, CASTELLO & THORSON, 1987: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 07/2015

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Plesiotrygon iwamae ROSA, CASTELLO & THORSON, 1987, Buffalo Zoo, source: wikipedia
Common names
spa Raya, eng Long-tailed river stingray, por Arraia, por Raia

Distribution
South America: Upper to lower Amazon River basin, from Ecuador to Belém, Brazil, in the Napo, Solimões, Amazonas and Pará rivers. Source: www.gbif.org

Biology
Feeds on small catfishes, insects, decapod crustaceans, and parasitic cestodes and nematodes.

Size / Weight / Age
58.0 cm WD (male/unsexed; [11350])

Habitat
demersal; freshwater

Parasites (arranged by Jürgen Pollerspöck)
Cestoda
  • Potamotrygonocestus chaoi MARQUES, BROOKS & ARAÚJO, 2003 [16355] [7414]
  • Potamotrygonocestus marajoara LUCHETTI, MARQUES & CHARVET-ALMEIDA, 2008 [7414]

Copepoda
  • Ergasilus trygonophilus DOMINGUES & MARQUES, 2010 [14716]