It has 1st dorsal fin with 7 spines, the 2nd dorsal fin with 1 spine and 12–13 soft rays as well as the anal fin with 2 spines. They also exhibit villiform teeth on the vomer and 66–71 pored lateral line scales. The head and body are greyish-black dorsally and yellow ventrally with the anterior parts of the 1st and 2nd dorsal fins appearing greyish-black. Posterior margin of the caudal fin is yellow while other parts are greyish-black. Pectoral and pelvic fins are uniformly vivid yellow.
Habitat & Distribution in Bangladesh:
Lives over sandy bottoms, regularly entering freshwaters during breeding season.
Environment:
Freshwater; Brackish (Demersal; amphidromous)
Comments:
It is also found in marine envirment
Main References:
Rahman AKA 2005 Freshwater Fishes of Bangladesh, 2nd ed., Zool. Soc. Bangladesh, Dhaka, Bangladesh, xviii + 394 pp.
Siddiqui KU, Islam MA, Kabir SMH, Ahmad M, Ahmed ATA, Rahman AKA 2005 Freshwater Fishes of Bangladesh, 2nd ed., Zool. Soc. Bangladesh, Dhaka, Bangladesh, xviii + 394 pp. AKA, Haque EU, Ahmed ZU, Begum ZNT, Hassan MA, Khondker M, Rahman AKA 2005 Freshwater Fishes of Bangladesh, 2nd ed., Zool. Soc. Bangladesh, Dhaka, Bangladesh, xviii + 394 pp. MM (eds.) 2007 Encyclopedia of Flora and Fauna of Bangladesh, Vol. 23. Freshwater Fishes. Asiatic Society of Bangladesh, Dhaka 300 pp.
DoF Bangladesh (2023) Album: Freshwater Fishes of Bangladesh, Department of Fisheries, Ministry of Fisheries and Livestock, Bangladesh, Dhaka. 200 pp.