Pimelodus vacha is a Senior Synonym of Eutropiichthys vacha.

Eutropiichthys vacha (Hamilton, 1822)

- Bacha - Native Fish - Wild (Freshwater)

view: Lateral [Hossain, 2019]

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Siluriformes
Family	:	Schilbeidae
Genus	:	Eutropiichthys
Species	:	Eutropiichthys vacha

Common Names:

English	:	Data not available
Bangla	:	Bacha[5] Batchwa Bacha[729] Vacha[729]

Synonyms:

Pimelodus vacha Hamilton, 1822
Bagrus vacha (Hamilton, 1822)
Pachypterus punctatus Swainson, 1839
Eutropiichthys vacha burmannicus (Non Day, 1877 Aug)

Maximum Length and Weight:

40 cm (TL) ^[347] 35 cm (TL) ^[6]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 5-5.5 : 4-4.5 ^[5]
Body height : Total length : Standard length = 1 : 4.8-5 : 4-4.3 ^[5]
Eye Diameter : Head length = 1 : 4.5 ^[5]
Eye Diameter : Snout length = 1 : 1.7 ^[5]
Eye Diameter : Inter orbial width = 1 : 2 ^[5]

Taxonomic Formula:

D. 1/7; P₁. 1/13-14; P₂. 6; A. 3-4/46-48 ^{[Rahman, 2005]}
D I 7; A iii-iv 41-52; P I 13-16; V i 5 ^{[Talwar and Jhingran, 1991]}
B III; D I/7; A 44-45(3-4/41-52); P 14-17(I/13-16); V 6; C 17 ^{[Shafi and Quddus, 1982]}
B xi; D 8 (1/7); A 44-56 (3-4/41-52); P 14-17 (1/13-16); V 6; C 17 ^{[Bhuiyan, 1964]}

Scales:

Scaleless. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [659]
Bangladesh	:	Least Concern (LC)	(Version 3.1) [373]

Occurrence/Distribution:

Global	:	Bangladesh[70] India[37] Myanmar[742] Nepal[134] Pakistan[741] Thailand[670]
Bangladesh	:	Padma river, Rajshahi[274] Chalan beel, Natore[490] Halda River, Chittagong Hill Tracts[598] Sunamganj haor region, Sunamganj[729] Passur River, Khulna[752] Kaptai reservoir (Kaptai lake), Rangamati[753] Mahananda River, Chapainawabganj[775] River Choto Jamuna, Naogaon[9] Meghna river, Narsingdi[781] Buriganga River, Dhaka[798] Old brahmaputra, Mymensingh[796] Talma River, Panchagarh[800] Little feni river, Feni[795] Someshwari river, Netrokona[806] Jamunashwori river, Rangpur[808] Sangu river, Chattogram[811] Atrai River, Dinajpur[815] Banar River, Mymensingh[1023] Bangshi River, Dhaka[1024] Tanguar Haor, Sunamganj[1025] Kishoreganj Haor Region, Kishoreganj[1026] Dekhar haor, Sunamganj[1164] Feni river, Feni[1165] Balla beel, Moulvibazar[1168]

Habitat and Environment:

Habitat: Data not available

Environment:

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

Breeding Maturity:

First breeding maturity at-
14 cm in TL for Female in Pakistan ^[1038]
15 cm in TL for Male in Pakistan ^[1038]

Breeding Season: (red background)

Data not available

Fecundity:

Data not available

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, Gill net, Cast net, Hook ^[792]
Market price:
350-400 BDT/kg (Size: 18-22 cm, Weight: 100-150 g, Place: Noakhali, Bangladesh) ^[792]