Classification / Names
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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Chaetostoma: Greek, chaite = hair + Greek, stoma = mouth (Ref. 45335); bifurcum: From the Latin adjective bifurcum, meaning two-pronged, in reference to the two evertible cheek odontodes characteristic of this species..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical
South America: Pacific Coast drainages of western Ecuador and northwestern Peru, including (from north to south) the Esmeraldas, Guayas, Santa Rosa, and Tumbes river drainages.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm SL mâle / non sexé; (Ref. 104727)
Description synthétique
Morphologie | Morphométrie
Chaetostoma bifurcum is distinguished from all congeners along along the Pacific Coast of South America except C. palmeri and C. paucispinis by having only 1 or 2 evertible cheek odontodes (vs. 3-6); from C. niveum, C. palmeri, C. patiae, and C. paucispinis by having most frequently 4 branched rays on anal fin (vs. 5); from C. palmeri and C. paucispinis by having body with black, indistinct, vertically elongate, irregularly broken or complete bars K to O width of orbit in living adults (vs. body uniform or with transverse cross-bars wider than two times orbit centered on dorsal midline); and from C. paucispinis by having 8 branched rays on dorsal fin (vs. 9) (Ref. 104727).
Facultative air-breathing in the genus (Ref. 126274); Found in piedmont elevations approximately 100 to 650 masl (Ref. 104727).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Lujan, N.K., V. Meza-Vargas, V. Astudillo-Clavijo, R. Barriga-Salazar and H. López-Fernández, 2015. A multilocus molecular phylogeny for Chaetostoma Clade genera and species with a review of Chaetostoma (Siluriformes: Loricariidae) from the Central Andes. Copeia 103(3):664-701. (Ref. 104727)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
PaysZones FAOÉcosystèmesOccurrencesIntroductionsStocksÉcologieRégime alimentaireÉléments du régime alimentaireConsommation alimentaireRation
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00531 - 0.02848), b=2.97 (2.76 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
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).
