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Classification / Names
Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); embera: Named for the native Americans known as the Embera, who occupy the type locality of this new species; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
South America, Colombia.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 8.3 cm SL mâle / non sexé; (Ref. 119406); 9.0 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
This species, a member of the orthodus species-group of Astyanax, differs from other members of the group by the following characters: differs from villwocki, superbus, gandhiae, bopiensi, boliviensis, yariguies by the absence of a dark stripe on the sides of the body (vs. dark lateral stripe present or anterior prolongation of the caudal peduncle spot extending anteriorly over the silvery lateral stripe); differs from A. orthodus in having the caudal peduncle spot extending onto the ventral and dorsal margins of the caudal peduncle, covering 4-6 horizontal scale rows (vs. covering 2-4 horizontal scale rows on the caudal peduncle) and in having an unpigmented band across the anal-fin rays in both sexes (vs.pigmentation uniform on analfin rays); differs from A. moorii in body depth > 39% SL (vs. < 39% SL), the dorsal-pectoral fin distance > 40.5% SL (vs. < 40.5% SL), maxilla length < 33.5% HL (vs. > 33.5% SH), upper jaw length < 32% HL (vs. > 47% SH) and by the number of lateral-line scales 36-41 (vs. 44-50) (Ref. 119406).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00782 - 0.03863), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
