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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Bagrichthys: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335); obscurus: Specific epithet from the Latin obscurus, meaning indistinct, in reference to the uniform brown color of the fish..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical
Asia: Chao Phraya, Bang Pakong and Mekong drainages in Indochina.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 24.9 cm SL mâle / non sexé; (Ref. 38653)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 1; Rayons mous dorsaux (Total) : 7; Épines anales: 0; Rayons mous anaux: 7 - 10; Vertèbres: 45 - 47. A relatively small and narrow mouth opening; extremely reduced oral dentition; relatively short dorsal-fin spine with 15 or fewer serrae; both inner and outer mandibular barbels crenulated; a slender body (body depth at anus 15.1-18.4% SL; depth of caudal peduncle 6.7-8.3% SL); a short adipose fin base (length 43.3-48.9% SL); the genital papilla in males touching the base of the first anal-fin ray; a uniformly brown body without both a pale midlateral stripe and pale blotches on the sides of the body.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Ng, H.H., 1999. Bagrichthys obscurus, a new species of bagrid catfish from Indochina (Teleostei: Bagridae). Rev. Biol. Trop. 47(3):545-552. (Ref. 38653)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00440 - 0.02172), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
