@G M MASUM BILLAH ( inaturalist.org )
Scientific Name : Pateobatis bleekeri
Family : Dasyatidae
Order : Myliobatiformes
Class : Elasmobranchii
Phylum : Chrodata
Habitat : Estuaries,muddy bottom
Description : Bleeker's whipray Large, plain-coloured whipray. Disc subcircular. Snout long and pointed. Tail slender and whip like. Ventral surface white with dark margins in young. Tail brownish.
Distribution in Bangladesh