Rainbow minnow, Psilorhynchus gracilis Rainboth, 1983

Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Cypriniformes (Carps) Family: Psilorhynchidae (Mountain carps) Genus: Psilorhynchus Species: P. gracilis Common/local names English: Rainbow minnow and Rainboth minnow Bangladesh: Balitora (বালিটোরা) Distributions: Bangladesh (Gangetic lowland streams) (Talwar and Jhingran, 1991).

Estuarine ricefish, Oryzias melastigmus (McClelland, 1839)

Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Beloniformes (Needlefishes) Family: Adrianichthyidae (Adrianichthyids) Subfamily: Oryziinae (Medakas or ricefishes) Genus: Oryzias Species: O. melastigmus Synonyms Aplocheilus melastigmus McClelland, 1839 Haplochilus melastigma (McClelland, 1839) Panchax argenteus Day, 1868 Panchax cyanopthalma Blyth,

Barca snakehead, Channa barca (Hamilton, 1822)

Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Perciformes (Perches) Family: Channidae (Snakeheads) Genus: Channa Species: C. barca Synonyms Ophicephalus nigricans Cuvier, 1831 Ophiocephalus barca Hamilton, 1822 Common/local name English: Barca snakehead Bangladesh: Pipla (পিপলা), Pipla shol (পিপলা শোল),