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Scientific Name: Ctenopharyngodon idella (Valenciennes, 1844)
English Name: Grass carp
Local/Bangla Name: Grass carp (গ্রাস কার্প), gas carp (গাস কার্প)
Bonyfish : Ctenopharyngodon idella

Photo: Fishbase

Classification:
Kingdom: Animalia
Phylum: Chordata
Class: Teleostei
Order: Cypriniformes
Family: Cyprinidae
Description:
Dorsal spines (total): 3; Dorsal soft rays (total): 7-8; Anal spines: 3; Anal soft rays: 7 – 11. No barbels. Snout very short, its length less than or equal to eye diameter. Postorbital length more than half head length (Ref. 4967). 18 soft rays for caudal fin (Ref. 40476). Diagnosed from rather similar species Mylopharyngodon piceus by having the following characters: body olive to brassy green above, silvery white to yellow below; body cylindrical; pharyngeal teeth laterally compressed, serrated, with a groove along grinding surface, usually in two rows, 2,5-4,2
Habitat & Distribution in Bangladesh:
Occur in lakes, ponds, pools and backwaters of large rivers; preferring large, slow-flowing or standing water bodies with vegetation.
Environment:
Freshwater, Brackish (Benthopelagic; potamodromous)
Comments:
It is an exotic fish in Bangladesh. It hasbeen introduced from Hongkong, Japan (1966, 1970) for weed control and aquaculture.
Main References:

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

Other References:

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.

Ahmed MS, Datta SK, Zhilik AA (2020) Molecular diversity of freshwater fishes of Bangladesh assessed by DNA barcoding. Bangladesh Journal of Zoology, 48(1), 1-19.

Mahalder B, Mustafa MG (2013) Introduction to fish species diversity: Sunamganj haor region within CBRMP's working area. Community Based Resource Management Project-LGED, Worldfish, Dhaka, Bangladesh, 75.

Froese R, Pauly D (Editors) (2024) FishBase. World Wide Web electronic publication. www.fishbase.org, version (02/2024).

DNA Barcodes from Bangladesh
GenBank Accession Number:
COI: KX657712  
Other DNA Barcodes & Nucleutide Sequences
Global IUCN conservation status:
Other Information