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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).
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
; Água doce demersal; potamódromo (Ref. 51243). Subtropical
Asia: Mekong basin (Ref. 27732). Reported from Chao Phraya, Maeklong and Peninsular Thailand river systems (Ref. 26336).
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 130 cm TL macho/indeterminado; (Ref. 30857); common length : 50.0 cm SL macho/indeterminado; (Ref. 12693); peso máx. publicado: 86.0 kg (Ref. )
Espinhos dorsais (total) : 1; Raios dorsais (total) : 7 - 8; Raios anais : 12 - 14; Vértebras: 52 - 53. Bright red caudal fin in specimens bigger than about 15 cm SL; whitish in smaller ones (Ref. 27732). Adipose fin long (length of adipose-fin base 18.7-25.7% SL), with a gently-sloping anterior margin; dorsal spine poorly ossified and short (7.5-11.4% SL) without serrations on posterior edge; length of dorsal-fin base 16.3-18.3% SL; maxillary barbels reaching to at least middle of adipose fin base (230.1-297.0% HL) (Ref. 38441). Head flat rather than conical; a short occipital process not close to basal bone of dorsal fin; no stripes on body (Ref. 12693).
Body shape (shape guide): elongated.
Occurs in large upland rivers. Common in areas with rocky bottoms and irregular depths (Ref. 12693). Apparently does not migrate but reproduces locally and enters the flooded forest during high water in July-October (Ref. 38441). Feeds on insects, prawns, fish (Ref. 33813) and crabs (Ref. 38441). Marketed fresh (Ref. 12693). Maximum weight reported for an individual caught in Mae Klong River, Thailand, reached 86 kg (J-F. Helias, pers.comm., 07/2002; see photo Hewyc_u0.jpg).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Ng, H.H. and W.J. Rainboth, 1999. The bagrid catfish genus Hemibagrus (Teleostei: Siluriformes) in central Indochina with a new species from the Mekong River. Raffles Bull. Zool. 47(2):555-576. (Ref. 38441)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00653 - 0.02018), b=2.99 (2.84 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nível Trófico (Ref.
69278): 3.7 ±0.60 se; based on food items.
Resiliência (Ref.
120179): Muito baixo(a), tempo mínimo de duplicação da população maior que 14 anos (Preliminary K or Fecundity.).
Vulnerabilidade da pesca (Ref.
59153): Very high vulnerability (78 of 100).
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Nutrientes (Ref.
124155): Calcium = 16.8 [3.2, 67.2] mg/100g; Iron = 0.731 [0.261, 2.245] mg/100g; Protein = 17.7 [15.6, 19.7] %; Omega3 = 0.35 [0.13, 0.89] g/100g; Selenium = 52.7 [20.1, 125.3] μg/100g; VitaminA = 26.9 [4.8, 146.3] μg/100g; Zinc = 0.82 [0.55, 1.24] mg/100g (wet weight);
