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Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Characidae (Characins) > Incertae sedis
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mithology (Ref. 45335); tupi: The specific name tupi honors aborigines that lives in northern Argentina.

Environment / Climate / Range Ecology

Freshwater; benthopelagic. Subtropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: endemic to Argentina (Ref. 56308).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 7.3 cm SL male/unsexed; (Ref. 55798)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 13; Vertebrae: 35. Differs from other species of the genus by the combination of the following characters: long pectoral fins always surpassing pelvic-fin origin; anal fin origin at level of a vertical through fifth or sixth dorsal fin rays; one supraopercular and two humeral spots on flanks; two or three maxillary teeth; 35-38 perforated scales in the lateral series; and 24-27 branched anal fin rays. Distinguishes further from most of its congeners by having deep body (36.9-42.6% SL); large eye (10.2-11.9% SL); maxillary length, 100.0-136.6% interorbital width); and presence of 24-25 gill rakers on first branchial arch (Ref. 55798).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Azpelicueta, M., J.M. Mirande, A.E. Almirón and J.R. Casciotta, 2003. A new species of Astyanax (Characiformes, Characidae) from Paraná river basin in Argentina. Rev. Mus. La Plata-Zool. 15(166):1-12. (Ref. 55798)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki |

More information

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Internet sources

Astyanax tupi Azpelicueta, Mirande, Almirón & Casciotta, 2003