Mystus trachacanthus is a Junior Synonym of Hemibagrus menoda.

Hemibagrus menoda (Hamilton, 1822)

Menoda Catfish - Ghagla - Native Fish - Wild (Freshwater)

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Siluriformes
Family	:	Bagridae
Genus	:	Hemibagrus
Species	:	Hemibagrus menoda

Common Names:

English	:	Menoda Catfish[729]
Bangla	:	Ghagla[729] Ghagor[729] Gang magur[729] Koune[729]

Synonyms:

Mystus menoda (Hamilton, 1822)
Pimelodus menoda Hamilton, 1822
Macrones menoda (Hamilton, 1822)
Mystus menoda menoda (Hamilton, 1822)
Bagrus trachacanthus Valenciennes, 1840 Jan
Macrones menoda trachacanthus (Valenciennes, 1840 Jan)
Macrones trachacanthus (Valenciennes, 1840 Jan)
Mystus menoda trachacanthus (Valenciennes, 1840 Jan)
Mystus trachacanthus (Valenciennes, 1840 Nov)
Mystus minoda tracacanthus (Valenciennes, 1840 Jan)
Macrones corsula Day, 1869
Bagrus corsula (Day, 1869)
Mystus corsula (Day, 1869)

Maximum Length and Weight:

450 mm (TL) ^[5]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 4-4.2 : 3.3-3.4 ^[5]
Body height : Total length : Standard length = 1 : 6.2-7.4 : 5-6.2 ^[5]
Eye Diameter : Head length = 1 : 3.8-8.5 ^[5]
Eye Diameter : Snout length = 1 : 3-3.3 ^[5]
Eye Diameter : Inter orbial width = 1 : 2.5-3 ^[5]

Taxonomic Formula:

D. I/7; P₁. I/7-8; P₂. 6; A. 11 ^{[Rahman, 2005]}
B VI; D I/7; A 11-13(3-5/8); P I/9; V 6; C 17 ^{[Shafi and Quddus, 1982]}
D I 7; A iii-v 8; P I 9; V i 5 ^{[Talwar and Jhingran, 1991]}

Scales:

Scaleless. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [565]
Bangladesh	:	Near Threatened (NT)	(Version 3.1) [266]

Occurrence/Distribution:

Global	:	Bangladesh[70] India[6] Nepal[740]
Bangladesh	:	Chalan beel, Natore[490] Padma river, Rajshahi[274] Sunamganj haor region, Sunamganj[729] Mahananda River, Chapainawabganj[775] Meghna river, Narsingdi[781] Little feni river, Feni[795] Someshwari river, Netrokona[806] Atrai River, Dinajpur[815] Tanguar Haor, Sunamganj[1025] Punarbhaba, Dinajpur[1161] Dekhar haor, Sunamganj[1164]

Habitat and Environment:

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

Environment: