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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Hemibagrus: Greek, hemi = the half + Mozarabic, bagre, Greek, pagros = a fish, Dentex sp. (Ref. 45335).
More on author: Lacepède.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal. Subtropical
Asia: Nam Xam and Nam Ma basins in Laos and Red River basin in Viet Nam and Yunnan, southeastern China.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 73.1 cm SL mannelijk / geslacht onbekend; (Ref. 115027); common length : 18.5 cm SL mannelijk / geslacht onbekend; (Ref. 35840); max. gepubliceerd gewicht: 4.9 kg (Ref. 115027)
Dorsale stekels (totaal) : 2; Dorsale zachte stralen (totaal) : 7; Anale zachte stralen: 10 - 16; Wervels: 53. Smooth head, covered by thin membrane. The maxillary barbel could reach pelvic fin. Well developed adipose fin, about 3 times the length of the dorsal fin, starting from near the back of the dorsal fin. Body nude without scale. Complete lateral line from the head till the caudal fin. Light brownish in color, white in stomach (Ref.33423). Body with a few scattered black spots (Ref. 43281).
Adults inhabit large rivers, with current (Ref. 43281). Oviparous, distinct pairing possibly like other members of the same family (Ref. 205).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00526 - 0.01582), b=3.00 (2.85 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).