Astyanax pirabitira

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Astyanax pirabitira Lucena, Bertaco & Berbigier, 2013

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drawing shows typical species in Characidae.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Characidae (Characins; tetras) > Stethaprioninae
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..

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch. Subtropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

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

Size / Gewicht / Alter

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

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt): 10-11; Wirbelzahl: 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).

Biologie     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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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 Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Gehe zu, Suchen | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00526 - 0.02507), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.9   ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).