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Scientific Name: Opsarius shacra (Hamilton, 1822)

Synonym: Barilius shacra (Currently unaccepted)

English Name: Not Known
Local/Bangla Name: Koksa (কোকসা), Saku koksha (সাকু কোকশা)
Classification:
Kingdom: Animalia
Phylum: Chordata
Class: Teleostei
Order: Cypriniformes
Family: Cyprinidae
Description:
This fish has two stiff spines and seven soft rays in its dorsal fin, and two spines followed by eight soft rays in its anal fin. Its upper and lower jaws are about the same size at the front. The dorsal fin sits halfway between the front edge of the eye and the base of the tail. The outer four to six rays of its pectoral fins are strong. There are about seven rows of scales between the sensory line on its side and the base of its pelvic fin. It has 25 scales in front of its dorsal fin. Along its upper back, there are roughly 13 bluish spots. Faint stripes, about 12 in number, run down its back towards the sensory line. Finally, a dark stripe stretches across the upper third of its dorsal fin.
Habitat & Distribution in Bangladesh:
Occur in rivers and streams of Dinajpur.
Environment:
Freshwater (benthopelagic)
Main References:

Rahman AKA 2005 Freshwater Fishes of Bangladesh, 2nd ed., Zool. Soc. Bangladesh, Dhaka, Bangladesh, xviii + 394 pp.

Other References:

Hossain M, Wahab M, Belton B (2012) The Checklist of the Riverine Fishes of Bangladesh. FAN Bangladesh. 1. 29-39.

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.

DNA Barcodes from Bangladesh
GenBank Accession Number:
Other DNA Barcodes & Nucleutide Sequences
Global IUCN conservation status:
Other Information