Astyanax ocotal

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Astyanax ocotal Valdez-Moreno, Rodiles-Hernández & Schmitter-Soto, 2017

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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);  ocotal: Named for the type locality, Laguna Ocotal. A noun in apposition..

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

; süßwasser benthopelagisch. Tropical

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Central America: Lakes Ocotal and Metzabok, and Río Tulijá in northern Chiapas, Mexico.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 10.5 cm SL Männchen/unbestimmt; (Ref. 118583)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt): 9; Afterflossenweichstrahlen: 22 - 24; Wirbelzahl: 31. Astyanax ocotal is distinguished from other congeners in the region by the following characters: head length, 29-33% SL (vs. 22- 28% in A. angustifrons and A. finitimus, to 30% in A. aeneus); anal-fin base length, 26% SL or less (vs. 26% or more in A. aeneus and A. finitimus); lower-limb gill rakers in first arch, 15-16 (vs. 14 or fewer in A. angustifrons and A. finitimus); urohyal, ventral apex closer to caudal end (vs. about equidistant between rostral and caudal ends in A. finitimus); epibranchial III, distal segment straight (vs. curved in A. finitimus); preopercle with divergent canals at angle (vs. canals parallel in A. angustifrons); coracoid with 4-5 interdigitations in suture to cleithrum (vs. 2-3 in A. angustifrons) (Ref. 118583).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Schmitter-Soto, J.J., 2017. A revision of Astyanax (Characiformes: Characidae) in Central and North America, with the description of nine new species. J. Nat. Hist. 51(23/24):1-94. (Ref. 118583)

IUCN Rote Liste Status (Ref. 130435)

  Gefährdung zunehmend (NT) (B1a+2a); Date assessed: 05 February 2019

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):  2.8   ±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).