Overview

Distribution

Paraíba do Sul River drainage and coastal rivers of Rio de Janeiro and Espírto States, Brazil; Buenos Aires, Argentina.
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South America: Paraíba do Sul River drainage and coastal rivers of Rio de Janeiro and Espírito Santo, Brazil.
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Physical Description

Morphology

Dorsal spines (total): 1; Dorsal soft rays (total): 10; Analspines: 3; Analsoft rays: 22
  • Jenyns, L. 1842 Fish. In C. Darwin (ed.) The zoology of the voyage of H.M.S. Beagle, under the command of Captain Fitzroy, R.N., during the years 1832-1836. Smith, Elder & Co., London (in 4 parts): p. 1-32 (Jan. 1840); 33-64 (Jun. 1840); 65-96 (Apr. 1841); 97-172 (Apr. 1842). (Ref. 3157)
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Size

Max. size

8.5 cm SL (male/unsexed; (Ref. 81202))
  • Zanata, A.M. and P. Camelier 2009 Astyanax vermilion and Astyanax burgerai: a new characid fishes (Ostariophysi: Characiformes) from Northeastern Bahia, Brazil. Neotrop. Ichthyol. 7(2):175-184. (Ref. 81202)
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Diagnostic Description

Teeth in the lower jaw 14 or more. The ventrals are exactly aligned with the origin of the dorsal fin.
  • Jenyns, L. 1842 Fish. In C. Darwin (ed.) The zoology of the voyage of H.M.S. Beagle, under the command of Captain Fitzroy, R.N., during the years 1832-1836. Smith, Elder & Co., London (in 4 parts): p. 1-32 (Jan. 1840); 33-64 (Jun. 1840); 65-96 (Apr. 1841); 97-172 (Apr. 1842). (Ref. 3157)
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest
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