Astyanax pirauba

Astyanax pirauba (Zanata, Birindelli & Moreira, 2010)

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No drawings available for Acestrorhamphidae.

Klassificering / Namn Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335)pirauba: Name came from the Tupi language, 'pira' for fish and 'aúba' for false, referring to the apparent mimicry of the new species with Jupiaba; noun in apposition.
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.

Miljö: miljö / Klimatzon / djupintervall / distributionsområde Ekologi

; sötvatten pelagiska. Tropical

Utbredning Territorier | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri

South America: Brazil.

Storlek / Vikt / Ålder

Könsmognad: Lm ?  range ? - ? cm
Max length : 9.9 cm SL hane/ej könsbestämd; (Ref. 83482)

Kort beskrivning Bestämningsnycklar | Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt) : 8 - 9; Mjukstrålar i analfenan: 22 - 26. This species is distinguished from all its congeners, except Moenkhausia moisae by having more scales in lateral series 43-47 (vs. 23-41); it differs from M. moisae mainly by its colour pattern, which consists of one humeral blotch (vs. two), a moderately sized dark midlateral stripe (vs. narrow dark midlateral line), asymmetrical caudal blotch, continuous anteriorly with midlateral stripe and extending posteriorly to margins of four or five middle caudal-fin rays, although less pigmented on this posterior portion (vs. conspicuous, regularly rounded and symmetrical dark blotch, restricted to end of caudal peduncle and base of caudal fin, not continuous with a midlateral line and not extending to the entire length of median caudal-fin rays); scales along mid-dorsal line between tip of supraoccipital process and origin of dorsal fin forming a regular series (vs. predorsal line of scales irregular, not forming a median series) (Ref. 83482).
Body shape (shape guide): short and / or deep.

Biologi     Ordlista (t.ex. epibenthic)

Collected in clear-water creeks and small tributaries of larger rivers, such as the Rio Culuene, Rio Curuá and Rio Teles Pires. Usually found in shadowed pools between rapids with well-preserved riparian vegetation. Stomachs of 5 specimens from Tapajós and Xingu basins had a predominance of allochthonous items, adults of terrestrial insects (Coleoptera, Curculionidae; Hymenoptera, Formicidae; Diptera), insect aquatic larvae (Trichoptera, Ephemeroptera; Diptera, Chironomidae), fish remains (Characiformes) and plant fragments (Ref. 83482).

Livscykel och parningsbeteende Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver

Huvudreferens Ladda upp dina referenser | referenser | Koordinator | Medarbetare

Zanata, A.M., J.L.O. Birindelli and C.R. Moreira, 2010. New species of Moenkhausia Eigenmann (Characiformes: Characidae) from Rio Xingu and Rio Tapaj´os basins, Brazil, with comments on a putative case of polymorphic Batesian mimicry. J. Fish Bio. 75(10):2615-2628. (Ref. 83482)

Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Hot mot människor

  Harmless





Mänskliga användningsområden

FAO - Publication: search | FishSource |

Ytterligare information

Trofisk ekologi
Livsmedelsartiklar (preys)
Födosammansättning
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Matransoner
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Ekologi
Ekologi
Populationsdynamik
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Längd-längd rel.
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Massakonvertering
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Genetisk mångfald
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Avelslinjer
Ciguatera-fall
Frimärken, mynt, diverse.
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synonymer
Morfologi
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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | 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, sök | World Records Freshwater Fishing | Zoologiskt register

Uppskattningar baserade på modeller

Index för fylogenetisk mångfald
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01905 (0.00846 - 0.04293), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisk nivå
(Ref. 69278)
2.9   ±0.4 se; based on size and trophs of closest relatives
Sårbarhet i fisket
(Ref. 59153)
Low vulnerability (21 of 100). 🛈