Mystus gulio is a valid scientific name.

Mystus gulio (Hamilton, 1822)

- Nuna-tengra - Native Fish - Wild (Freshwater, Marine)

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Siluriformes
Family	:	Bagridae
Genus	:	Mystus
Species	:	Mystus gulio

Common Names:

English	:	Data not available
Bangla	:	Nuna-tengra[5] Guillya[5] Gula[274] Guli-tengra[274] Panch-gula[274] Shada Tengra[598]

Synonyms:

Pimelodus gulio Hamilton, 1822
Aoria gulio (Hamilton, 1822)
Aspidobagrus gulio (Hamilton, 1822)
Bagrus gulio (Hamilton, 1822)
Macrones gulio (Hamilton, 1822)
Pseudobagrus gulio (Hamilton, 1822)
Bagrus albilabris Valenciennes, 1840 Jan
Bagrus albilabrus Valenciennes, 1840 Jan

Maximum Length and Weight:

45 cm (TL) ^[347] 195 mm (TL) ^[5] 15 cm (TL) and 100 g ^[1657]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 4.3-5 : 3.3-4 ^[5]
Body height : Total length : Standard length = 1 : 5.3-5.4 : 3.8-4.1 ^[5]
Eye Diameter : Head length = 1 : 5.9-6 ^[5]
Eye Diameter : Snout length = 1 : 2 ^[5]
Eye Diameter : Inter orbial width = 1 : 2.3-2.8 ^[5]

Taxonomic Formula:

D. I/7; P₁. I/8-9; P₂. 6; A. 12-15 ^{[Rahman, 2005]}
D I 7; A iii-iv 9-11; P I 8-9; V i 5 ^{[Talwar and Jhingran, 1991]}
B IX; D I/7; A 12-25(4/9-11); P I/8-9; V 6; C 17 ^{[Shafi and Quddus, 1982]}

Scales:

Scaleless. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [567]
Bangladesh	:	Near Threatened (NT)	(Version 3.1) [268]

Occurrence/Distribution:

Global	:	Bangladesh[70] India[6] Indonesia[449] Malaysia[741] Myanmar[832] Nepal[37] Pakistan[741] Sri Lanka[90] Thailand[670] Vietnam[714]
Bangladesh	:	Padma river, Rajshahi[274] Halda River, Chittagong Hill Tracts[598] Andharmanik river, Patuakhali[751] Passur River, Khulna[752] Borulia haor, Kishoreganj[794] Chitra river, Jashore[793] Little feni river, Feni[795] Sangu river, Chattogram[811] Kishoreganj Haor Region, Kishoreganj[1026] Punarbhaba, Dinajpur[1161] Ramnabad river, Patuakhali[1163] Lohalia river, Patuakhali[1200]

Habitat and Environment:

Habitat:
River, Canal, Beel, Haor, Baor ^[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: 11,436 (min), 23,481 (max), Specimen length: 11-21 cm. ^[998]

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, Set bag net, Set bag net, Cast net, Cast net, Cast net ^[792]
Seine net, Push net, Set bag net, Set bag net, Cast net, Cast net, Cast net ^[1657]
Seine net, Push net, Set bag net, Set bag net, Cast net, Cast net, Cast net ^[1657]
Market price:
150-200 BDT/kg (Size: 20-22 cm, Weight: 50-60 g, Place: Noakhali, Bangladesh) ^[792]