Synonyma
Astyanax rutilus (Jenyns, 1842); Salmo ovatus Larrañaga, 1923; Tetragonopterus rutilus Jenyns, 1842.
Výskyt
Jižní Amerika — povodí řeky Paraná (Argentina, Paraguay a Uruguay).
Typová lokalita
Rio Paraná, South America.
Velikost
7 cm SL.
Původní popis
Jenyns, L. 1840-42. Fish. In: The zoology of the voyage of H. M. S. Beagle, under the command of Captain Fitzroy, R. N., during the years 1832 to 1836. London: Smith, Elder, and Co. Issued in 4 parts. i-xvi + 1-172, Pls. 1-29.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2025. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.
Froese, R. & Pauly, D. Editors. 2025. FishBase. World Wide Web.