Tetra

Ectrepopterus uruguayensis

Five Point One Centimeters Acestrorhamphid Fish from South American Waters

Tropical
Lower river
Southern Hemisphere
Regional distribution
Freshwater fish
South America
Deep-bodied
Small
Tropical fish

Ectrepopterus is a monospecific genus of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. The only species in the genus is Ectrepopterus uruguayensis. Given its restricted range, it is considered a rare fish, and is of note for conservation researchers interested in preserving the biodiversity of the region.

Class: Teleosts
Order: Characins
Family: Acestrorhamphidae
Genus: Ectrepopterus
Maximum length: 5.1 cm
Water: Freshwater
Body shape: deep_bodied
Distribution: South America: Lower tributaries of the río Uruguay (río Cuareim, río Salto, and río Negro basins), and río de La Plata (río Santa Lucía and arroyo Pand) in Uruguay. Not recorded from the Uruguay River basin in Brazil after extensive sampling for the last 20 years.

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