Siluridae. Maximum Standard Length. 1 River Monsters 1.1 Asian Slayer 1.2 Malaysian Lake Monster 2 Description 3 Trivia 4 References 5 Gallery During River Monsters … Agarwal and A.P. 6028).Sluggish and stays on muddy or silty bottom in search of food. Food and feeding habits of the 10 freshwater fish species confined to 7 genera, 6 families and four orders from Ayeyarwady River were studied and estimate between December, 2016 and March, 2017. It is also known as the freshwater shark an account of its vicious biting and feeding habits. The percent survival … In carnivorous fish species, Cd ranged from 0.060 (Mystus leucophasis) to 0.083 mg/kg (Wallago attu). For this purpose we examined and compared two fresh water fish species, Wallago attu and Labeo dyocheilus enjoying different feeding habits in the same habitat. Wallago attu. Boal fish is a species of catfish. 2003 from 148452 kg recorded in 1993-94. This fish species found in Bangladesh, India, Pakistan, Vietnam, Indonesia, Afghanistan and some other countries. Discussion. This fish is also known by some other names like wallago, wallagonia attu, borali etc. 6028); mostly hides under holes in river banks and canals (Ref. The Sareng Catfish or Tapah (known officially as Wallago attu or Wallago leeri as well as a handful of other names in different places) is a large predatory catfish (almost all catfish are omnivorous) that lives in India and Southeast Asia. Destructive to other more valuable food-fishes. Overall, Labeo dyocheilus accumulated 65.2% extra heavy metals burden as compared to Wallago attu. It breeds in shallow water just prior to the wet season, before migrating to flooded areas to feed. Wallago Attu is voracious, carnivorous and predatory; it cannot be stocked in the pond with other fishes. Wallago Attu inhabit fast running as well as sluggish water of deep and shallow pools, haors, rivers, and streams of Bangladesh. INTRODUCTION Wallago attu Helicopter Catfish Classification. A large, voracious and predatory catfish which thrives in heels with grassy margin (Ref. Wallago attu . In the Mekong, it is reported to migrate to smaller streams, canals and to the floodplain during the flood season . It is a fish species of south Asia. In omnivorous fish species, Cd ranged from 0.07 (Botia histrionica) to 0.084 mg/kg (Gudusia variegata). Most specimens do not attain this size, but assume 48″ (120cm) as a minimum adult size. Juveniles feed mainly on insects; adults feed on smaller fish, crustaceans, and mollusks. Abundant during the warm season; a pre-monsoon summer breeder. An in-door rearing study was conducted for 11 days with Wallago attu larvae fed on live zooplankton alone (control) or combinations of zooplankton and dry feed containing either fish meal (F1), meat meal (F2) or shrimp meal (F3) under 24 h continuous light (24L), 12 h light–12 h dark (12L:12D), 24 h red light (24RL) or complete darkness (0L). ... Wallago attu The business end! Boal fish can found in lakes, swamp or large rivers. V.P. Our findings suggest that omnivorous fish may bioaccumulate more heavy metals than the carnivorous fish in natural habitats. Distribution. Cadmium content did not differ significantly across the three types of feeding habits (p>0.05). Bites strongly if handled, with its huge mouth, formidable jaws, and band of conical teeth. They are cannibalistic in nature. Key words: Bioaccumulation, heavy metals, feeding habits, carnivorous fish. Found in large rivers, lakes and tanks. ... 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