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Scientific Name: Eleutheronema tetradactylum (Shaw, 1804)
English Name: Fourfinger Threadfin
Local/Bangla Name: Tailla (তাইল্লা)
Fourfinger Threadfin - Tailla (তাইল্লা) - Eleutheronema tetradactylum - Type: Bonyfish

Labcode: F1611sb-108

Photo: Fishes of Australia

Classification:
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Carangiformes
Family: Polynemidae
Description:
D1 VIII; D2 I/15; P 1 4+17; P 2 I/5; A III/17. Color of upper sides of head and trunk with slight darkish silver tinge, becoming lighter on lower sides. Anterior margins of first and second dorsal fins blackish, remaining parts translucent and slightly blackish, respectively; pectoral fin vivid yellow. Body elongate and compressed. Snout projecting; mouth very large with small teeth. Two widely separated dorsal fins. Pectoral fin rays unbranched, the lower four rays free and filamentous. Longest pectoral filament not reaching origin of anal fin. Scales small, ctenoid.
Habitat & Distribution in Bangladesh:
Coastal regions of Bangladesh
Environment:
Marine, Brackish, Freshwater
Main References:

Habib KA, Kim CG, Oh J, Neogi AK, Lee YH (2nd eds.) (2018) Aquatic Biodiversity of Sundarbans, Bangladesh (2nd edition), Korea Institute of Ocean Science and Technology (KIOST), 394 p.

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.

Fanning LP, Chowdhury SR, Uddin MS, Al-Mamun MA (Eds. Uddin MS and Chowdhury SR) (2019). Marine fisheries survey reports and stock assessment 2019. Department of Fisheries, Government of Bangladesh, 224 pp.

Thompson PM, Islam MA (Eds.) (2010) Environmental Profile of St. Martin’s Island, United Nations Development Programme, Dhaka, 150 p

Singha NK, Parvej MR, Uddin MS, Chowdhury SR (Eds. Uddin MS, Chowdhury SR) (2019) Bangladesh Samudrik O Upokolio Matsya Projatir Album (Species Album of Marine and Coastal Fisheries Researches of Bangladesh), Department of Fisheries, Ministry of Fisheries and Livestock, 264 p.

Habib KA, Islam MJ (2020) An updated checklist of Marine Fishes of Bangladesh. Bangladesh Journal of fisheries, 32(2), 357-367.

DNA Barcodes from Bangladesh
GenBank Accession Number:
COI: MF601473  
Other DNA Barcodes & Nucleutide Sequences
IUCN conservation status:
Other Information