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Scientific Name: Polydactylus sextarius (Bloch & Schneider, 1801)
English Name: Blackspot Threadfin
Local/Bangla Name: Kalofota tailla (কালোফোঁটা তাইল্লা), Kala tailla (কালা তাইল্লা), Sona tailla (সোনা তাইল্লা)
Labcode: F1703sb-10
Photo: ABR Lab
Classification:
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Carangiformes
Family: Polynemidae
Description:
D1 VIII; D 2 I/13; P 1 14 + 6; P 2 I/5; A II/13. Color of body golden-olive above and silvery on sides and below; a large black blotch at beginning of lateral line. Fins yellowish with black spots. Body oblong and sliglhtly compressed. Snout projecting; mouth, large, with small teeth in jaws and palatines, no teeth on vomer. Eye large. Pectoral fin in two parts, upper part with nearly all rays branched, lower part with 6 free filamentous rays of which the upper 2 are longest and extending; to tip of pelvic fin. Caudal fin forked. Scales small, ctenoid.
Habitat & Distribution in Bangladesh:
Coastal regions of Bangladesh
Environment:
Marine, Brackish
Other References:
Rahman AKA, Kabir SMH, Ahmad M, Ahmed ATA, Ahmed ZU, Begum ZNT, Hassan MA, Khondoker M (2009) Encyclopedia of flora and fauna of Bangladesh, Vol. 24. Marine Fishes. Asiatic Society of Bangladesh, Dhaka, 485 p.
Hussain MM (1970) The Marine and Estuarine Fishes of North East part of the Bay of Bengal. Scientific Researches. East Regional Laboratories, Dhaka. 52.
Uddin MS, Chowdhury SR, Rashed MR, Singha NK, Tazim MF, Mamun MAA, Mamun A, Rahman MM, Hasan ME (eds.) (2022) Album: Marine and Coastal Fishes of Bangladesh, Department of Fisheries, Government of Bangladesh. 336 pp
