Chatoessus altus is an Ambiguous or Questionable Synonym of Nematalosa nasus.

Nematalosa nasus (Bloch, 1795)

Bloch's gizzard shad - Barang - Native Fish - Wild (Freshwater)

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Clupeiformes
Family	:	Clupeidae
Genus	:	Nematalosa
Species	:	Nematalosa nasus

Common Names:

English	:	Bloch's gizzard shad[6]
Bangla	:	Barang[5]

Synonyms:

Clupea nasus Bloch, 1795
Chatoessus nasus (Bloch, 1795)
Dorosoma nasus (Bloch, 1795)
Nematalosus nasus (Bloch, 1795)
Nematolosa nasus (Bloch, 1795)
Clupanodon nasica Lacepède, 1803 July
Chatoessus altus Gray, 1834
Chatoessus chrysopterus Richardson, 1846 Jun/Jul

Maximum Length and Weight:

247 mm (TL) ^[5] 25 cm (TL) and 300 g ^[1657]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 4.6-5 : 3.5-3.9 ^[5]
Body height : Total length : Standard length = 1 : 3.3-3.5 : 2.5-2.7 ^[5]
Eye Diameter : Head length = 1 : 3.5-3.8 ^[5]
Eye Diameter : Snout length = 1 : .7-.9 ^[5]
Eye Diameter : Inter orbial width = 1 : 1.2-1.3 ^[5]

Taxonomic Formula:

D. 16-17(3/13-14); P₁. 15-16; P₂. 8; A. 23-24 ^{[Rahman, 2005]}
D iii-v 11-14; A ii-iv 18-23; P i 14; V i 7 ^{[Talwar and Jhingran, 1991]}

Scales:

45-48 scales on lateral line. 17-19 scales before dorsal fin base. 12-14 scales after pelvic fin base. 17-18 scales before pelvic fin base. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [576]
Bangladesh	:	Least Concern (LC)	(Version 3.1) [282]

Occurrence/Distribution:

Global	:	South Africa[1010] Andaman Island[746] Bahrain[68] Bangladesh[70] Cambodia[68] China[68] Hong Kong[868] India[855] Iran[68] Iraq[917] Japan[68] South Korea[68] Kuwait[68] Myanmar[857] Oman[899] Pakistan[68] Philippines[869] Qatar[68] Saudi Arabia[68] Singapore[68] Sri Lanka[68] Taiwan[68] Thailand[71] United Arab Emirates[68] Vietnam[748]
Bangladesh	:	Zone 4: Chattagram-Cox's Bazar coastal waters, [1657] Zone 5: Shallow shelf sea (upto about 40m depth) in the Bay of Bengal, [1657] Zone 6: Industrial Fishing Zone (from 40 to about 90m depth) in the Bay of Bengal, [1657]

Habitat and Environment:

Habitat: Data not available

Environment:

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

Breeding Maturity:

Data not available

Breeding Season: (red background)

Data not available

Fecundity:

Egg: colour- Transparent, shape- Spherical, ^[938]

Food and Feeding Habit:

Diet composition (%): Data not available

Importance:

Production and Marketing:
Production/Harvesting Season: Data not available
Harvesting Gears:
Gill net, Trawl Net, Trawl Net, Set bag net, Set bag net ^[1657]
Gill net, Trawl Net, Trawl Net, Set bag net, Set bag net ^[1657]
Market price: Data not available