Astyanax pirabitira

Astyanax pirabitira Lucena, Bertaco & Berbigier, 2013

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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Characiformes (Characins) > Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); pirabitira: The specific name pirabitira is from Tupi-Guarani. It means mountain fish (pira, meaning fish, and ybytyra meaning mountain) in reference to the occurrence of the species in altitudes higher than 800 m.
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; benthopelagic. Subtropical

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South America: upper rio das Antas drainage, laguna dos Patos system, and upper rio Pelotas basin, rio Uruguay drainage in southern Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 9.1 cm SL male/unsexed; (Ref. 94017)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 10 - 11; Vertebrae: 35 - 38. This species is distinguished from its congeners by the combination of the following characters: body depth 27.1-34.0% of standard length; interorbital width 22.2-28.7% of head length; head depth 72.9-97.0% of HL; 15-20 branched rays on anal fin; 37-40 lateral line scales; one or two maxillary teeth; two humeral spots; and absence of bony hooks in the anal fin of males (Ref. 94017).
Body shape (shape guide): fusiform / normal.

Biology     Glossary (e.g. epibenthic)

Occurs in streams and rivers, inhabiting lotic shallow areas (up to 1 m deep) with clear water and bottom composed of gravel and stones, at altitudes from 800 to 1200 m above sea level. Syntopic with Astyanax brachypterygium, ustraloheros sp., Cnesterodon brevirostratus, Eurycheilichthys sp., Jenynsia eirmostigma, Pareiorhaphis hystrix, Rhamdia sp., and Trichomycterus tropeiro (Ref. 94017).

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

Main reference Upload your references | References | Coordinator | Collaborators

De Lucena, C.A.S., V.A. Bertaco and G. Berbigier, 2013. A new species of Astyanax from headwater streams of southern Brazil (Characiformes: Characidae). Zootaxa 3700(2):226-236. (Ref. 94017)

IUCN Red List Status (Ref. 130435: Version 2025-2)

  Least Concern (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |