Dwarf antenna ray

Plesiotrygon nana

A purple brown whip follows its tiny round disc

Black
Tropical
Southern Hemisphere
Regional distribution
Freshwater fish
South America
Other
Medium
Tropical fish

Plesiotrygon nana, the black-tailed antenna ray, is a species of freshwater stingray in the family Potamotrygonidae. It is native to the western Amazon basin in northeastern Peru, western Brazil (east to around the Purus mouth), southeastern Colombia, and possibly eastern Ecuador. It is found both in the mainstream of the Amazon and Putumayo Rivers and in smaller tributaries such as the Itaya and Pachitea Rivers.

Class: Sharks and Rays
Order: Stingrays
Family: Potamotrygonidae
Genus: Plesiotrygon
Maximum length: 24.7 cm
Water: Freshwater
Body shape: other
Distribution: South America: Peru. Río Pachitea, tributary of Río Ucayali, up-river from town of Puerto Inca, Puerto Inca Province, Huánuco Department (Ref. 86912 ).

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