Pimelodus cavasius is a Senior Synonym of Mystus cavasius.

Mystus cavasius (Hamilton, 1822)

Gangetic Mystus - Golsha-tengra - Native Fish - Wild (Freshwater)

view: Lateral [Hossain, 2019]

Systematic Position: [2]

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

Common Names:

English	:	Gangetic Mystus[729]
Bangla	:	Golsha-tengra[5] Kabashi-tengra[5] Golsha-tengra[5] Kabasi-tengra[274] Ghunga[274] Fhang[274] Kabasi golsha[729] Guilla[598]

Synonyms:

Pimelodus cavasius Hamilton, 1822
Aoria cavasius (Hamilton, 1822)
Bagrus cavasius (Hamilton, 1822)
Macrones cavasius (Hamilton, 1822)
Mystus cavensius (Hamilton, 1822)
Mystus cavassius (Hamilton, 1822)
Mystus mukherjii Ganguly and Datta, 1975
Pimelodus seengtee (Non Sykes, 1839 May)
Mystus keletius (Non Valenciennes, 1840 Jan)
Mystus rhegma (Non Fowler, 1935 Jun)

Maximum Length and Weight:

45 cm (TL) ^[347] 231 mm (TL) ^[5]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 6 : 4 ^[5]
Body height : Total length : Standard length = 1 : 6-6.3 : 4-4.5 ^[5]
Eye Diameter : Head length = 1 : 3.5-4 ^[5]
Eye Diameter : Snout length = 1 : 1.3-1.8 ^[5]
Eye Diameter : Inter orbial width = 1 : 1.3 ^[5]

Taxonomic Formula:

D. I/7; P₁. I/8; P₂. 6; A. 11 ^{[Rahman, 2005]}
D I 7; A iv 7-9; P I 8; V i 5 ^{[Talwar and Jhingran, 1991]}
B VI; D 1/7; A 11-13(4/7-9); P I/8; V 6; C 16 ^{[Shafi and Quddus, 1982]}
B vi; D 8 (1/7); A 11-13 (4/7-9); P 9 (1/8); C 16 ^{[Bhuiyan, 1964]}

Scales:

Scaleless. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [566]
Bangladesh	:	Near Threatened (NT)	(Version 3.1) [267]

Occurrence/Distribution:

Global	:	Bangladesh[70] India[6] Myanmar[832] Nepal[134] Pakistan[741] Sri Lanka[6] Thailand[994]
Bangladesh	:	Surma river, Sylhet[5] 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] Buriganga River, Dhaka[798] Old brahmaputra, Mymensingh[796] Someshwari river, Netrokona[806] Bhairab river, Jashore[807] Sandha river, Pirojpur[810] Atrai River, Dinajpur[815] Banar River, Mymensingh[1023] Bangshi River, Dhaka[1024] Tanguar Haor, Sunamganj[1025] Punarbhaba, Dinajpur[1161] Dekhar haor, Sunamganj[1164] Feni river, Feni[1165] Muhuri river, Feni[1165] Sandha river, Pirojpur[1206] Belua river, Pirojpur[1207] Belua river, Pirojpur[1207] Agunmukha river, Patuakhali[1208]

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]

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[347]

Fecundity:

Absolute fecundity: 3,314 (min), 63,135 (max), Relative fecundity: 870 , ^[974]

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: 30-35 cm, Weight: 40-50 g, Place: Noakhali, Bangladesh) ^[792]