Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); gandhiae: Named for the late Mrs Maria Gandhi Calderon, mother of the first author; 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. Maria Gandhi Calderon was the mother of the first author. (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser benthopelagisch. Tropical
South America: Peru.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 11.0 cm Männchen/unbestimmt; (Ref. 119406)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
This species, a member of the orthodus species-group of Astyanax, differs from other members of the group by the following characters: differs from othodus, villwocki, superbus, bopiensi, boliviensis, yariguies by the absence of a spot on the caudal peduncle; differs further from villwocki by having a short lateral stripe extending from the caudal spot and it does not extend anteriorly beyond a vertical through the origin of the anal fin (vs. lateral stripe extending anteriorly beyond a vertical through the origin of the anal fin; differs from A. bopiensis in having less teeth that do not cover more than a third of the length of the maxillary (vs. larger number of teeth covering more than two thirds of the maxillary); differs from A. moorii for dorsal-fin-hypural distance < 45% SL (vs. > 50), by dorsal-pectoral distance > 50% SL (vs. < 50), interorbital distance > 32% HL (vs. < 32), upper jaw length less < 35% HL (vs. > 40) (Ref. 119406).
Cross section: compressed.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Ruiz-C., R.I., C. Román-Valencia, D.C. Taphorn, P.A. Buckup and H. Ortega, 2018. Revision of the Astyanax orthodus species-group (Teleostei: Characidae) with descriptions of three new species. European Journal of Taxonomy 402:1-45. (Ref. 119406)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trophische Ebene (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.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Low vulnerability (19 of 100). 🛈 |