Mystus tengara is a valid scientific name.

Mystus tengara (Hamilton, 1822)

Tengara Mystus - Tengra - Native Fish - Wild (Freshwater)

Systematic Position: [2]

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

Common Names:

English	:	Tengara Mystus[729] Striped Dwarf Catfish[729] Pearl Catfish[729]
Bangla	:	Tengra[5] Ghuitta-tengra[5] Bujuri[729] Bojuri[729]

Synonyms:

Pimelodus tengara Hamilton, 1822
Macrones tengara (Hamilton, 1822)
Mystus tengana (Hamilton, 1822)
Mystus tengra (Hamilton, 1822)
Pimelodus carcio (Non Hamilton, 1822)

Maximum Length and Weight:

1.20 cm (TL) ^[347] 62 mm (TL) ^[5]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 3.8-4.5 : 2.8-3.3 ^[5]
Body height : Total length : Standard length = 1 : 3.3-4.3 : 2.5-3.3 ^[5]
Eye Diameter : Head length = 1 : 3.5-4.5 ^[5]
Eye Diameter : Snout length = 1 : 1-1.6 ^[5]
Eye Diameter : Inter orbial width = 1 : 1.5-1.8 ^[5]

Taxonomic Formula:

D. I/7; P₁. 1/8; P₂. 6; A. 10-13 ^{[Rahman, 2005]}
D I 7; A ii-iii 9-10; P I 8; V i 5 ^{[Talwar and Jhingran, 1991]}
B X-XI; D I/7; A 10-13(2-3/8-10); P I/8; V I/5; C 19 ^{[Shafi and Quddus, 1982]}
B x-xi; D 1/7; A 11-13 (2-3/8-10); P 1/8; V 6; C 19 ^{[Bhuiyan, 1964]}

Scales:

Scaleless. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [651]
Bangladesh	:	Least Concern (LC)	(Version 3.1) [365]

Occurrence/Distribution:

Global	:	Afghanistan[847] Bangladesh[70] India[37] Myanmar[853] Nepal[740] Pakistan[741]
Bangladesh	:	Padma river, Rajshahi[274] Chalan beel, Natore[490] Sunamganj haor region, Sunamganj[729] River Choto Jamuna, Naogaon[9] Tulsiganga River, Joypurhat[780] Meghna river, Narsingdi[781] Dhepa river, Dinajpur[779] Borulia haor, Kishoreganj[794] Buriganga River, Dhaka[798] Old brahmaputra, Mymensingh[796] Little feni river, Feni[795] Someshwari river, Netrokona[806] Jamunashwori river, Rangpur[808] Nabaganga river, Narail[809] Atrai River, Dinajpur[815] Banar River, Mymensingh[1023] Tanguar Haor, Sunamganj[1025] Kishoreganj Haor Region, Kishoreganj[1026] Punarbhaba, Dinajpur[1161] Dekhar haor, Sunamganj[1164] Shakla heel, Brahmanbaria[1167] Balla beel, Moulvibazar[1168] Belua river, Pirojpur[1207] Agunmukha river, Patuakhali[1208] Bishkhali river, Jhalakathi[816]

Habitat and Environment:

Habitat:
Canal, Beel, Haor, Baor, River ^[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: 720 (min), 5,233 (max), Specimen length: 6.7-6.8 cm. ^[999]

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:
150-200 BDT/kg (Size: 15-18 cm, Weight: 30-40 g, Place: Noakhali, Bangladesh) ^[792]