Squarehead catfish, Chaca chaca (Hamilton, 1822)

Systematic position Phylum: Chordata Class: Actinopterygii  (Ray-finned fishes) Order: Siluriformes (catfish) Family: Chacidae (Squarehead or angler catfish) Genus: Chaca Species: C. chaca Common/local names Squarehead catfish (FishBase) Indian chaka (English) Chaka (চাকা), Cheka (চেকা), Chaga (চেগা), Beng-sabbh (বেংসাব), Gangania (গ্যানগেনিয়া)

Giant river catfish, Sperata seenghala (Sykes, 1839)

Systematic position (Nelson 2006) Class- Actinopterygii (Ray- finned fish) Order- Siluriformes (Catfishes) Family- Bagridae (Bagrid catfishes) Genus- Sperata Species- S. seenghala Common/local names: Fishbase: Gaint river catfish Bangladesh: Guizza (গুইজ্জা), Guizza ayer (গুইজ্জা আইড়) (Rahman 1989) India: Auri, Ari, Pogal,

Menoda catfish: Hemibagrus menoda (Hamilton, 1822)

Systematic position Class: Actinopterigii Order: Siluriformes (Catfishes) Family: Bagridae (Bagrid catfishes) Genus: Hemibargus Species: H. menoda Common/Local names: Menoda catfish (Fishbase), Golsa-tengra, Arwari, koune, koune magur, Gagor, Gang magur (Bangladesh), Gagol, Ghagla, Arr-tengra, Belaunda, Belauna, Belauli, Pungah-guggah (India).(Talwar and Jhingrun,