Labeo rohita is a valid scientific name.

Labeo rohita (Hamilton, 1822)

Rohu - Rui - Native Fish - Wild/Farmed (Freshwater)

View: Lateral [Mohsin, 2019b]

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Cypriniformes
Family	:	Cyprinidae
Genus	:	Labeo
Species	:	Labeo rohita

Common Names:

English	:	Rohu[8]
Bangla	:	Rui[5] Rohit[5] Rou[5] Ruhit[729] Rau[729] Nala[729] Garma[729] Nowsi[729]

Synonyms:

Cyprinus rohita Hamilton, 1822
Rohita buchanani Valenciennes, 1842
Labeo horai (Non Fowler, 1924)

Maximum Length and Weight:

90 cm (TL) ^[347]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 4.4-4.8 : 3.4-3.7 ^[5]
Body height : Total length : Standard length = 1 : 4.5-4.8 : 3.5-3.7 ^[5]
Eye Diameter : Head length = 1 : 4-7 ^[5]
Eye Diameter : Snout length = 1 : 1.5-2.5 ^[5]
Eye Diameter : Inter orbial width = 1 : 3.2-3.8 ^[5]

Taxonomic Formula:

D. 15-16(3/12-13); P₁. 16-17; P₂. 9; A. 7(2/5) ^{[Rahman, 2005]}
D iii-iv 12-14; A ii-iii 5; P i 16-18; V i 8 ^{[Talwar and Jhingran, 1991]}
B III; D 15-16; A 7; P 17-18; V 9; C 19; L.ls 40-42; L.tr 6.5/9 ^{[Shafi and Quddus, 1982]}

Scales:

41-42 scales on lateral line. 14 scales before dorsal fin base. 7-7.5 scales between origin of dorsal fin and lateral line. 6-6.5 scales between origin of pelvic fin and lateral line. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [477]
Bangladesh	:	Least Concern (LC)	(Version 3.1) [13]

Occurrence/Distribution:

Global	:	Madagascar[877] Mauritius[877] Zimbabwe[877] Bhutan[746] Cambodia[1021] India[1022] Myanmar[978] Nepal[134] Pakistan[741] Philippines[1027] Sri Lanka[90] Thailand[877] Vietnam[909] Andaman Island[746]
Bangladesh	:	Padma river, Rajshahi[274] Chalan beel, Natore[490] Halda River, Chittagong Hill Tracts[598] Andharmanik river, Patuakhali[751] Sunamganj haor region, Sunamganj[729] Passur River, Khulna[752] Kaptai reservoir (Kaptai lake), Rangamati[753] Mahananda River, Chapainawabganj[775] River Choto Jamuna, Naogaon[9] Tulsiganga River, Joypurhat[780] Meghna river, Narsingdi[781] Dhepa river, Dinajpur[779] Borulia haor, Kishoreganj[794] Chitra river, Jashore[793] Buriganga River, Dhaka[798] Old brahmaputra, Mymensingh[796] Talma River, Panchagarh[800] Someshwari river, Netrokona[806] Jamunashwori river, Rangpur[808] Nabaganga river, Narail[809] Bhairab river, Jashore[807] Atrai River, Dinajpur[815] Banar River, Mymensingh[1023] Bangshi River, Dhaka[1024] Bangshi River, Dhaka[1024] Bangshi River, Dhaka[1024] Tanguar Haor, Sunamganj[1025] Kishoreganj Haor Region, Kishoreganj[1026] Punarbhaba, Dinajpur[1161] Dekhar haor, Sunamganj[1164] Feni river, Feni[1165] Shakla heel, Brahmanbaria[1167] Balla beel, Moulvibazar[1168] Titas river, Brahmanbaria[1169] Lohalia river, Patuakhali[1200] Betna river, Satkhira[1201] Ghaghat river, Gaibandha[1202] Sandha river, Pirojpur[1206] Agunmukha river, Patuakhali[1208]

Habitat and Environment:

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

Environment:

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

Breeding Maturity:

First breeding maturity at-
50 cm in TL for Unsexed in India ^[1046]
2.94 Year for Female in India and 58 cm in TL for Female in India ^[978]
2.7 Year for Male in India and 55 cm in TL for Male in India ^[978]

Breeding Season: (red background)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[274]

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[347]

Fecundity:

Absolute fecundity: 1905000, Specimen weight: 4.5 kg. ^[347]
Absolute fecundity: 621345 (min), 3521025 (max), 1926233 (ave), Specimen weight: 4-10 kg. Egg: colour- Reddish, shape- Round, dia- 0.95-1.20 mm, ^[347]
Egg: shape- Spherical, ^[978]
Absolute fecundity: 260,972 (min), 2,984,024 (max), Specimen length: 54-88.2 cm. ^[70]

Food and Feeding Habit:

Diet composition (%): ^[347]


Algae 35%	Aquatic plant 20%	Protozoan 23%	Crustacean 15%	Sand and Mud 7%

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:
250-300 BDT/kg (Size: 30-35 cm, Weight: 1-2 kg, Place: Noakhali, Bangladesh) ^[792]