কাবাসি টেংরা , Gangetic mystus, Mystus cavasius
Climate: Tropical; 5°N - 38°S; Freshwater; Brackish; Demersal; Amphibolous
Distribution -
Asia: lowland rivers of the Indian subcontinent's major basins (Pakistan, Nepal, India, Sri Lanka, and Myanmar), including but not limited to the Indus, Brahmaputra-Ganges, Krishna, Cauvery, Irrawaddy, Salween, and Tenasserim. This species has been reported from the Chao Phraya and Mekong basins, Malaysia, and Indonesia, however it is misidentified as Mystus albolineatus or Mystus singaringan. This occurs in Thailand, but exclusively in the Salween basin.
Morphology: Body elongated and compressed; head conical. Barbels 4 pairs. Maxillary pair in adult fish reaches or cross base of caudal fin but in young specimen, do not extend beyond the anal fin.
Dorsal spine weak. First ray of dorsal fin much longer than head. Adipose fin large and originated from just behind dorsal. Leaden dorsal, yellowish beneath. A black spot behind operculum. Dorsal, adipose and caudal fins shaded with melanophores. Lateral line present and straight.
Head 22.9% SL and 17.3% TL. Height 21.7% SL and 16.4% TL. Eye 31.6% HL (Galib, 2008). Upper lobe of caudal fin longer than lower lobe and pointed. The male can be easily separated from female by it’s well developed urinogenital papila.
Maximum lengths and weights reported include 40 cm (Talwar and Jhingran, 1991), 45 cm (Day, 1877), and 14 cm (Bhuiyan, 1964). Talwar and Jhingran (1991) reported a weight of 10 kilogrammes from India.
Habitat: Commonly found in freshwater, tidal rivers, lakes, beels, ponds, ditches, and waterlogged fields. Source: Chalan Beel (Galib et al., 2009).
Food and feeding: Eats plant stuff, insects, and crustaceans (IUCN Bangladesh, 2000).
Негізгі бет Үй жануарлары мен аңдар কাবাসি টেংরা , Gangetic mystus, Mystus cavasius
Пікірлер: 4