Clarias batrachus, Philippine catfish : fisheries, aquaculture, aquarium

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Clarias batrachus (Linnaeus, 1758)

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

> Siluriformes (Catfishes) > Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.
More on author: Linnaeus.

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

; Água doce; estuarina demersal; potamódromo (Ref. 51243); intervalo de profundidade 1 - ? m (Ref. 2854). Tropical; 10°C - 28°C (Ref. 2060); 29°N - 7°S

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

Asia: Java, Indonesia. Clarias aff. batrachus from Indochina and Clarias aff. batrachus from Sundaland have been misidentified as Clarias batrachus from Java. Introduced elsewhere. Several countries report adverse ecological impact after introduction.

Comprimento de primeira maturação / Tamanho / Peso / Idade

Maturity: Lm 28.0  range ? - ? cm
Max length : 47.0 cm TL macho/indeterminado; (Ref. 40637); common length : 26.3 cm TL macho/indeterminado; (Ref. 12193); peso máx. publicado: 1.2 kg (Ref. 40637)

Descrição suscinta Morfologia | Morfometria

Espinhos dorsais (total): 0; Raios dorsais (total): 60-76; Espinhos anais 0; Raios anais : 47 - 58. Body compressed posteriorly. Upper jaw a little projecting. Spine of pectoral fins rough on its outer edge and serrated on its inner edge (Ref. 4792). Occipital process more or less triangular, its length about 2 time in its width (Ref. 27732); distance between dorsal and occipital process 4-5.5 times in distance from tip of snout to end of occipital process (Ref. 43281). Genital papilla in males is elongated and pointed (Ref. 52012).

Biologia     Glossário (p.ex. epibenthic)

Facultative air-breathing (Ref. 126274); Adults inhabit lowland streams (Ref. 57235), swamps, ponds, ditches, rice paddies, and pools left in low spots after rivers have been in flood (Ref. 2854, 57235). Usually confined to stagnant, muddy water (Ref. 1479). Found in medium to large-sized rivers, flooded fields and stagnant water bodies including sluggish flowing canals (Ref. 12975). Undertake lateral migrations from the Mekong mainstream, or other permanent water bodies, to flooded areas during the flood season and returns to the permanent water bodies at the onset of the dry season (Ref. 37770). Can live out of water for quite sometime and move short distances over land (Ref. 4833). Can walk and leave the water to migrate to other water bodies using its auxiliary breathing organs. The Lao use this fish as lap pa or ponne pa. Feed on insect larvae, earthworms, shells, shrimps, small fish, aquatic plants and debris (Ref. 6459). An important food fish (Ref. 4833) that is marketed live, fresh and frozen (Ref. 9987). Recently rare, being replaced by introduced African walking catfish (Ref. 57235).

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

The pair manifests the 'spawning embrace' which is widely observed in other catfish species (Ref. 33313). The pair gently nudge each other in the genital region and flick their dorsal fins; male wraps his body around the female, then the female releases a stream of adhesive eggs into the nest (Ref. 44091). In southeast Asia, spawning period is during the rainy season, when rivers rise and fish are able to excavate nests in submerged mud banks and dikes of flooded rice fields (Ref. 40977).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Rahman, A.K.A., 1989. Freshwater fishes of Bangladesh. Zoological Society of Bangladesh. Department of Zoology, University of Dhaka. 364 p. (Ref. 1479)

Status na Lista Vermelha da UICN (Ref. 130435)

  Segura ou pouco preocupante (LC) ; Date assessed: 16 January 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Potential pest (Ref. 4690)





Uso pelos humanos

Pescarias: espécies comerciais; Aquacultura: espécies comerciais; Aquário: Espécies comerciais
FAO - Aquacultura: produção; pescarias: desembarques; Publication: search | FishSource |

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Sinônimos
Metabolismo
Predadores
Ecotoxicologia
Reprodução
Maturidade
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Agregação de desova
Fecundidade
Ovos
Desenvolvimento dos ovos
Idade/Tamanho
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Frequências de comprimento
Morfometria
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Estimates based on models

Índice de diversidade filogenética (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00500 - 0.01662), b=2.93 (2.78 - 3.08), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  3.4   ±0.50 se; based on food items.
Generation time: 1.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resiliência (Ref. 120179):  Elevada, tempo mínimo de duplicação da população menor que 15 meses (K=0.7 (in aquarium); tm=1; Fec=2,300-13,400).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (24 of 100).
Categoria de preço (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 45.2 [22.7, 201.2] mg/100g; Iron = 1.32 [0.83, 2.29] mg/100g; Protein = 16.7 [15.8, 17.7] %; Omega3 = 0.134 [0.067, 0.288] g/100g; Selenium = 95.9 [41.2, 218.7] μg/100g; VitaminA = 13.6 [5.6, 33.8] μg/100g; Zinc = 0.766 [0.567, 1.018] mg/100g (wet weight); based on nutrient studies.