@Mazedul islam(inaturalist.org)
Scientific Name : Gudusia chapra
Family : Clupeidae
Order : Clupeiformes
Class : Actinopterygii
Phylum : Chordata
Habitat : Pond,Beel,Ditch,Inundated field,River
Description : Indian river shad is a small, fusiform fish with a bright silvery body and black shoulder spot. Its upper fin is triangular while the tail is acute.