Scientific Name : Butis humeralis
Family : Butidae
Order : Perciformes
Class : Actinopterygii
Phylum : Chrodata
Habitat : Marine,freshwater,brackish
Description : Dark sleeper is an elongated bodied fish.It never has two black spots at the base of its pectoral fins.
References:
description written by: Seam Ferdous Emon, Department of Zoology,Universityof Dhaka; Information sources: www.fishbase.de