Abramis gangeticus is a Junior Synonym of Osteobrama cotio.

Osteobrama cotio (Hamilton, 1822)

Coito - Dhela - Native Fish - Wild (Freshwater)

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Cypriniformes
Family	:	Cyprinidae
Genus	:	Osteobrama
Species	:	Osteobrama cotio

Common Names:

English	:	Coito[729] Kurio Labeo[729] Cotio[598] Cunma osteobrama[6]
Bangla	:	Dhela[729] Mou mach[729] Bolungo melanda[729] Gunta[729] Keti[729] Mauwa[729] Lohasura[729] Dhipali[729] Gilachaki[729] Gani[729] Gonnia[729] Nak-kata[598]

Synonyms:

rohtee cotio (Hamilton, 1822)
Cyprinus cotio Hamilton, 1822
Leuciscus cotio (Hamilton, 1822)
Osteobrama cotio cotio (Hamilton, 1822)
Abramis cotis (Hamilton, 1822)
Leuciscus gangeticus Swainson, 1839
Abramis gangeticus (Swainson, 1839)

Maximum Length and Weight:

108 mm (TL) ^[5]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 5-5.5 : 4-4.3 ^[5]
Eye Diameter : Head length = 1 : 2.6-3 ^[5]
Eye Diameter : Snout length = 1 : .8 ^[5]
Eye Diameter : Inter orbial width = 1 : .2 ^[5]

Taxonomic Formula:

D. 10(2/8); P₁. 15; P₂. 9-10; A. 33-36(3/30-33) ^{[Rahman, 2005]}
D iii-iv 8; A iii 33-38; P i 12-14; V i 8 ^{[Talwar and Jhingran, 1991]}
B III; D 11-12(3-4/8); A 29-36(2-3/27-33); P 13; V 10; C 19; L.ls 55-70; L.tr 9-15/14-21 ^{[Shafi and Quddus, 1982]}
B iii; D 11-12 (3-4/8); A 29-36 (23/27-33); P 13; V 10; C 19; L.ls 65-75; L.tr 9.15/14-21 ^{[Bhuiyan, 1964]}

Scales:

60-65 scales on lateral line. 23-24 scales before dorsal fin base. 14 scales between origin of dorsal fin and lateral line. 11-12 scales between origin of pelvic fin and lateral line. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [554]
Bangladesh	:	Near Threatened (NT)	(Version 3.1) [253]

Occurrence/Distribution:

Global	:	Bangladesh[70] India[6] Pakistan[6] Nepal[134]
Bangladesh	:	Chalan beel, Natore[490] Padma river, Rajshahi[274] Halda River, Chittagong Hill Tracts[598] Sunamganj haor region, Sunamganj[729] Mahananda River, Chapainawabganj[775] Tulsiganga River, Joypurhat[780] Meghna river, Narsingdi[781] Borulia haor, Kishoreganj[794] Buriganga River, Dhaka[798] Old brahmaputra, Mymensingh[796] Someshwari river, Netrokona[806] Jamunashwori river, Rangpur[808] Sandha river, Pirojpur[810] Banar River, Mymensingh[1023] Bangshi River, Dhaka[1024] Bangshi River, Dhaka[1024] Tanguar Haor, Sunamganj[1025] Tanguar Haor, Sunamganj[1025] Kishoreganj Haor Region, Kishoreganj[1026] Punarbhaba, Dinajpur[1161] Dekhar haor, Sunamganj[1164] Feni river, Feni[1165] Muhuri river, Feni[1165] Shakla heel, Brahmanbaria[1167] Balla beel, Moulvibazar[1168] Titas river, Brahmanbaria[1169] Ghaghat river, Gaibandha[1202] Sandha river, Pirojpur[1206] Belua river, Pirojpur[1207] Agunmukha river, Patuakhali[1208] Bishkhali river, Jhalakathi[816]

Habitat and Environment:

Habitat:
River, Canal, Haor, Baor, Beel ^[347]

Environment:

Parameters	Units	Minimum	Maximum	Optimum	Ref.
Temperature	-	-	-	-	-
pH	-	-	-	-	-
DO	-	-	-	-	-
Free CO2	-	-	-	-	-

Breeding Maturity:

Data not available

Breeding Season: (red background)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[274]

Fecundity:

Absolute fecundity: 512 (min), 6,849 (max), Specimen length: 2.2-5.7 cm. weight: 0.00112-0. kg. ^[1004]

Food and Feeding Habit:

Diet composition (%): Data not available

Importance:

Production and Marketing:
Production/Harvesting Season: (Green = Peak, Yellow = Off, Lemon = Moderate)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[792]

Harvesting Gears:
Seine net, Push net, Cast net ^[792]
Market price:
200-250 BDT/kg (Size: 6-8 cm, Weight: 10-15 g, Place: Noakhali, Bangladesh) ^[792]