Plesiotrygon

Plesiotrygon
	Plesiotrygon iwamae
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	Myliobatiformes
Family:	Potamotrygonidae
Genus:	Plesiotrygon; R. de S. Rosa, Castello & Thorson, 1987
Type species
	Plesiotrygon iwamae; R. de S. Rosa, Castello & Thorson 1987

Plesiotrygon, the antenna rays, is a small genus of freshwater stingrays in the family Potamotrygonidae endemic to the Amazon basin in South America.[1][2] They are found in large rivers and the lower part of their tributaries.[2] The maximum disc width is up to 58 cm (23 in), but both species are very long-tailed (tail length typically at least twice the disc width).[1][2]

Plesiotrygon are occasionally kept in aquariums and both species have been bred in captivity, but they are sensitive and the tail is easily damaged.[3][4]

Species

There are two recognized species:[1]

Plesiotrygon iwamae R. de S. Rosa, Castello & Thorson, 1987 (Long-tailed river stingray, antenna ray)
Plesiotrygon nana M. R. de Carvalho & Ragno, 2011 (Black-tailed antenna ray, dwarf antenna ray)

gollark: Well, I haven't yet.

gollark: I know.

gollark: To annoy you slightly.

gollark: What?

gollark: I can just patch it to run on potatOS automatically.

References

Froese, Rainer and Pauly, Daniel, eds. (2013). Species of Plesiotrygon in FishBase. August 2013 version.
De Carvalho, M.R. and M.P. Ragno (2011). An unusual, dwarf species of Neotropical freshwater stingray, Plesiotrygon nana sp. nov., from the upper and mid Amazon basin: the second species of Plesiotrygon (Chondrichthyes: Potamotrygonidae). Papéis Avulsos de Zoologia 51(7): 101-138.
Reynolds; Hornbrook; Stettner; and Terrell (2017). Smith; Warmolts; Thoney; Hueter; Murray; Ezcurra (eds.). Husbandry of freshwater stingrays. Elasmobranch Husbandry Manual II. Special Publication of the Ohio Biological Survey. pp. 99–112. ISBN 978-0-86727-166-9.CS1 maint: uses authors parameter (link)
"Plesiotrygon iwamae" (in German). Amazonas Rochen. Retrieved 30 October 2017.

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[FishBase-1] Froese, Rainer and Pauly, Daniel, eds. (2013). Species of Plesiotrygon in FishBase. August 2013 version.

[Carvalho2011-2] De Carvalho, M.R. and M.P. Ragno (2011). An unusual, dwarf species of Neotropical freshwater stingray, Plesiotrygon nana sp. nov., from the upper and mid Amazon basin: the second species of Plesiotrygon (Chondrichthyes: Potamotrygonidae). Papéis Avulsos de Zoologia 51(7): 101-138.

[Reynolds2017-3] Reynolds; Hornbrook; Stettner; and Terrell (2017). Smith; Warmolts; Thoney; Hueter; Murray; Ezcurra (eds.). Husbandry of freshwater stingrays. Elasmobranch Husbandry Manual II. Special Publication of the Ohio Biological Survey. pp. 99–112. ISBN 978-0-86727-166-9.CS1 maint: uses authors parameter (link)

[4] "Plesiotrygon iwamae" (in German). Amazonas Rochen. Retrieved 30 October 2017.