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Siluriformes (Catfishes) >
Pangasiidae (Shark catfishes)
Etymology: Pangasius: The Vietnamese name of a fish (Ref. 45335).
Eponymy: Dr Armand-Alfred-Antoine Krempf (d: 1879) was a French marine biologist, who first went to Vietnam (1903) as part of a scientific expedition to Hanoi. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas; Água doce; estuarina bentopelágico; potamódromo (Ref. 51243). Tropical
Asia.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 120 cm SL macho/indeterminado; (Ref. 30857); peso máx. publicado: 14.0 kg (Ref. 9497)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 1; Raios dorsais (total) : 6 - 7; Espinhos anais: 4; Raios anais : 31 - 34. Body depth 4.5-5.0 times in SL (Ref. 43281). Dorsum sky blue; submarginal caudal-fin stripes absent; no humeral spot; vomerine teeth separate at midline, joined to palatine teeth on each side forming long crescentic patches; 18-22 gill rakers in first arch (Ref. 12693). Body dark blackish gray on top and sides, silver gray on abdomen and fins lightly yellow (Ref. 45563).
Facultative air-breathing (Ref. 126274); Migrating but the direction is unknown. Dietary habits have not been studied. Taxonomy of this species may be problematic (Ref. 12693). Unique among pangasiid species in the Mekong in spending a major part of its life in marine coastal waters. Migrates into the Mekong River (but not into any other rivers) in order to breed (Ref. 12369). Regarded to be anadromous (Ref. 12369). It was hypothesized that at least two populations in the Mekong undertake migration (Ref. 37770). One population migrates during May-September from just south of Khone Falls upstream to spawning grounds along the mainstream Mekong all the way to Chiang Khong near the Lao-Thai-Myanmar border. The other population migrates downstream from around Stung Treng to unknown spawning grounds somewhere between Stung Treng and Kompong Cham in Cambodia during the spawning season between May and August. When water level starts to fall in October, the fish moves back to the main river to initiate an upstream dispersal migration, reaching the stretch just below the Khone Falls. Stays in deep pools within the mainstream during the dry season (Ref. 37770). Only two specimens of the fish were collected on April 5, 1956 and September 10, 1957 in Beihai City, Guangxi (Ref. 45563). Another on November 22, 1963 at Shanwei City of Guangdong Province (Ref. 45563).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Roberts, T.R. and C. Vidthayanon, 1991. Systematic revision of the Asian catfish family Pangasiidae, with biological observations and descriptions of three new species. Proc. Acad. Nat. Sci. Philad. 143:97-144. (Ref. 7432)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: espécies comerciais
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00216 - 0.00967), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 2.0 ±0.00 se; based on food items.
Fishing Vulnerability (Ref.
59153): Very high vulnerability (88 of 100).
Nutrients (Ref.
124155): Calcium = 21.4 [8.8, 59.4] mg/100g; Iron = 0.416 [0.152, 1.286] mg/100g; Protein = 14.6 [13.0, 16.4] %; Omega3 = 0.119 [0.059, 0.245] g/100g; Selenium = 93.9 [40.2, 228.6] μg/100g; VitaminA = 13.1 [2.6, 67.8] μg/100g; Zinc = 2.72 [0.96, 5.04] mg/100g (wet weight);
