Presence of numerous black spot on the bright-orange body surface of the fish makes it different from other five snakehead species in Bangladesh although the external characters are same. The external characters of the fish mostly found to be similar
Great snakehead, Channa marulius (Hamilton, 1822)
Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Perciformes (Perches) Suborder: Channoidei (Ophiocephaliformes) Family: Channidae (Snakeheads) Genus: Channa Species: C. marulius Common/local names English: Giant snakehead and Great snakehead Bangladesh: Gajar (গজার), Gajal (গজাল) and Sal (সাল) India: Haal