Classification / Names
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Teleostei (teleosts) >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); pardensis: Named for its type locality, Pardo river basin, Camacan, Bahiha, Brazil.
Eponymy: Astyanax was the son of Hector in Greek mythology. See Homer’s Iliad for details. The reasoning for its use for a genus of characins is not explained. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic-neritic. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.3 cm SL male/unsexed; (Ref. 126164)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 9; Anal soft rays: 20 - 25. Astyanax pardensis of the A. fasciatus complex differs from the rest of the species in the group by the number of precaudal vertebrae 6 (vs. 17); by the zig-zag shape of first portion of longitudinal band; differs from A. jequitinhonhae by the shape of the mandible which is rounded (vs. acuminate) (Ref. 126164).
Cross section: oval.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Salgado, F.L.K., 2021. Astyanax pardensis (Ostariophysi: Characiformes: Characidae), new species from Das Contas and Pardo Rivers Basins, Bahia, Brazil. Int. J. Zoo. Animal Biol. 4(5):1-8. (Ref. 126164)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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