Channa striata, Striped snakehead : fisheries, aquaculture, aquarium

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Channa striata (Bloch, 1793)

Striped snakehead
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Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Anabantiformes (Gouramies, snakeheads) > Channidae (Snakeheads)
Etymology: Channa: Greek, channe, -es = an anchovy (Ref. 45335).  More on author: Bloch.

Environment: milieu / climate zone / depth range / distribution range Ecologia

; gua doce; estuarina bentopelgico; pH range: 7.0 - 8.0; dH range: ? - 20; potamdromo (Ref. 51243); intervalo de profundidade 1 - 10 m (Ref. 2686), usually 1 - 2 m (Ref. 4515).   Tropical; 23°C - 27°C (Ref. 1672); 35°N - 18°S

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Asia: Pakistan to Thailand and south China. Several countries report adverse ecological impact after introduction.

Comprimento de primeira maturação / Tamanho / Peso / Idade

Maturity: Lm 18.0, range 23 - ? cm
Max length : 100.0 cm SL macho/indeterminado; (Ref. 2686); common length : 61.0 cm TL macho/indeterminado; (Ref. 44091); peso máx. publicado: 3.0 kg (Ref. 40637)

Descrição suscinta Morfologia | Morfometria

Espinhos dorsais (total): 0; Raios dorsais (total): 38-43; Espinhos anais 0; Raios anais : 23 - 27. Body sub-cylindrical; head depressed; caudal fin rounded (Ref. 2847). The dorsal surface and sides is dark and mottled with a combination of black and ochre, and white on the belly; a large head reminiscent of a snake's head; deeply-gaping, fully toothed mouth; very large scales (Ref. 44091).

Biologia     Glossário (p.ex. epibenthic)

Adults inhabit ponds, streams and rivers, preferring stagnant and muddy water of plains (Ref. 41236). Found mainly in swamps, but also occurs in the lowland rivers. More common in relatively deep (1-2 m), still water. Very common in freshwater plains (Ref. 4515, 57235). Occur in medium to large rivers, brooks, flooded fields and stagnant waters including sluggish flowing canals (Ref. 12975). Recorded as having been or being farmed in rice fields (Ref. 119549). Survive dry season by burrowing in bottom mud of lakes, canals and swamps as long as skin and air-breathing apparatus remain moist (Ref. 2686) and subsists on the stored fat (Ref. 1479). Feed on fish, frogs, snakes, insects, earthworms, tadpoles (Ref. 1479) and crustaceans (Ref. 2847). Undertake lateral migration from the Mekong mainstream, or other permanent water bodies, to flooded areas during the flood season and return to the permanent water bodies at the onset of the dry season (Ref. 37770). During winter and dry season, its flesh around coelomic cavity is heavily infested by a larval trematode Isoparorchis hypselobargi. Other parasites infecting this fish include Pallisentis ophicephali in the intestine and Neocamallanus ophicepahli in the pyloric caecae (Ref. 1479). Processed into pra-hoc, mam-ruot, and mam-ca-loc (varieties of fish paste) in Kampuchea (Ref.4929). Perhaps the main food fish in Thailand, Indochina and Malaysia (Ref. 2686). Firm white flesh almost bone-free, heavy dark skin good for soup and usually sold separately (Ref. 2686). In Hawaiian waters the largest specimen taken reportedly exceeded 150 cm (Ref. 44091). Very economic important on both cultures and captures throughout southern and southeastern Asia (Ref. 57235).

Ciclo de vida ou comportamento de acasalamento Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Breeds in ditches, ponds and flooded paddy fields. Young shoal at the surface and are guarded by the male parent (Ref. 54793), hiding below the surface water (Ref. 1479). In captivity, as soon as the male bends its body close to the female during mating, milt is released following the release of the eggs (Ref. 45162).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. (Ref. 6028)

Status na Lista Vermelha da UICN (Ref. 124695)

  Segura ou pouco preocupante (LC) ; Date assessed: 11 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Potential pest (Ref. 2847)





Uso pelos humanos

Pescarias: altamente comercial; Aquacultura: espcies comerciais; Aquário: Aquários públicos
FAO - Aquacultura: produo; pescarias: desembarques, perfil da espécie; Publication: search | FishSource |

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Estimates based on models

Índice de diversidade filogenética (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00743 - 0.01172), b=2.97 (2.92 - 3.02), in cm total length, based on LWR estimates for this species (Ref. 93245).
Nível Trófico (Ref. 69278):  3.6   ±0.47 se; based on food items.
Generation time: 5.2 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Resiliência (Ref. 120179):  médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (K=0.21; tm=1.5; Fec = 324).
Vulnerabilidade (Ref. 59153):  Moderate vulnerability (40 of 100) .
Categoria de preço (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 86 [42, 179] mg/100g ; Iron = 0.59 [0.36, 0.95] mg/100g ; Protein = 17.4 [16.3, 18.4] % ; Omega3 = 0.29 [0.14, 0.59] g/100g ; Selenium = 45.9 [17.0, 128.2] μg/100g ; VitaminA = 18.1 [6.4, 52.1] μg/100g ; Zinc = 0.859 [0.548, 1.431] mg/100g (wet weight); based on nutrient studies.