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Siluriformes (Catfishes) >
Doradidae (Thorny catfishes) > Doradinae
Etymology: Trachydoras: Greek, trachys, -eia, -ys = rough + Greek, doras = skin (Ref. 45335).
More on authors: Eigenmann & Ward.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal; pH range: 6.0 - 7.0; dH range: 5 - 18. Tropical; 20°C - 26°C (Ref. 13614)
South America: Paraná River basin.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 6.5  range ? - ? cm
Max length : 19.2 cm SL mâle / non sexé; (Ref. 111728); poids max. publié: 181.00 g (Ref. 111728)
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Sabaj, M.H. and C.J. Ferraris Jr., 2003. Doradidae (Thorny catfishes). p. 456-469. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37054)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.01072 - 0.01777), b=3.08 (3.01 - 3.15), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Ref.
69278): 2.7 ±0.27 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).