Astyanax Pirapuan (Astyanax pirapuan) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
Distinguished from other species of Astyanax scabripinnis species complex by a combination of the following characters: 8-9 gill rakers on the upper limb of first branchial arch; 0-1 tooth on the maxillary; 17-21 branched anal-fin rays, 35-37 perforated lateral line scales; and two humeral spots .
Behavioural data for Astyanax Pirapuan is currently being reviewed.
Freshwater; benthopelagic. Tropical South America: tributaries of the Rio Aricá-Mirim, Rio Cuiabá basin in Mato Grosso State, Brazil.
The following diseases are known to affect Astyanax Pirapuan.
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