Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Siluriformes (Catfishes) Family: Bagridae (Bagrid catfishes) Genus: Mystus Species: M. cavasius Common/local names English: Gangetic mystus Bangladesh: Tengra (টেংরা) and Kabasi tengra (কাবাসি টেংরা) India: Barsinghra, Singhara, Palwa, Tengra, Kala-tenguah, Kavasi,