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Wallago attu

Wallago attu is a freshwater catfish of the family Siluridae. This fish is native to South and South-east Asia, like Bangladesh, China, East Indies, Indonesia, Myanmar, Nepal, Pakistan, Sri Lanka, Thailand, and India. The fish is also native to Assam, India. It is found in rivers (tributaries of the Brahmaputra and Barak), beels, and large water bodies in Assam. It is commonly known as the helicopter catfish or wallago catfish. Other names for Wallago attu include (Assamese) Barali, (Bengali) Boal, (Bhojpuri) Barari, (Malayalam) Attu vala, and (Manipuri) Sareng.
W. attu is a large and predatory fish, and piscivorous.

Location of Fish : Sivasagar District, Assam, India

Taxonomy of Wallago attu
Kingdom              :               Animalia
Phylum                 :               Chordata
Class                     :               Actinopterygii
Order                    :               Siluriformes
Family                   :               Siluridae
Genus                   :               Wallago
Species                 :               Wallago attu (Bloch & Schneider 1801)

Synonym 
Callichrous macrostomus (Swainson, 1839)
Pinniwallago kanpurensis (non Gupta, Jayaram & Hajela, 1981)
Silurus attu Bloch & Schneider, 1801
Silurus boalis Hamilton, 1822
Silurus macrostomus Swainson, 1839
Silurus muelleri Bleeker, 1846
Silurus mulleri Bleeker, 1846
Silurus wallago Valenciennes, 1840
Silurus wallagoo Valenciennes, 1840
Wallago attu valeya Deraniyagala, 1953
Wallago russelli Bleeker, 1853
Wallago russellii Bleeker, 1853
Wallagonia athu (Bloch & Schneider, 1801)
Wallagonia attu (Bloch & Schneider, 1801)
Wallagu attu (Bloch & Schneider, 1801)

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