Chela cachius is a valid scientific name.

Chela cachius (Hamilton, 1822)

Silver hatchet chela - Chep Chela - Native Fish - Wild (Freshwater)

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Cypriniformes
Family	:	Cyprinidae
Genus	:	Chela
Species	:	Chela cachius

Common Names:

English	:	Silver hatchet chela[6]
Bangla	:	Chep Chela[5]

Synonyms:

Cyprinus cachius Hamilton, 1822
Leuciscus cachius (Hamilton, 1822)
Perilampus cachius (Hamilton, 1822)
Cyprinus atpar Hamilton, 1822
Cachius atpar (Hamilton, 1822)
Chela atpar (Hamilton, 1822)
Laubuca atpar (Hamilton, 1822)
Leuciscus atpar (Hamilton, 1822)
Perilampus atpar (Hamilton, 1822)
Perilampus psilopteromus McClelland, 1839
Leuciscus anastoma Swainson, 1839
Chela anastoma (Swainson, 1839)
Perilampus macropodus Jerdon, 1849
Paradanio elegans Day, 1867 Oct

Maximum Length and Weight:

>90 mm (TL) ^[5] 6 cm (TL) ^[6]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 5.5-5.8 : 4.4-4.6 ^[5]
Body height : Total length : Standard length = 1 : 4.1-4.3 : 3.3-3.4 ^[5]
Eye Diameter : Head length = 1 : 3 ^[5]
Eye Diameter : Snout length = 1 : .7 ^[5]
Eye Diameter : Inter orbial width = 1 : 1 ^[5]
Inter orbial width : Eye Diameter = 1 : 1 ^[5]

Taxonomic Formula:

D. 9(2/7); P₁. 10; P₂. 7; A. 23-24(2/21-22) ^{[Rahman, 2005]}
D ii 7-8; A ii-iii 19-23; P i 8-11; V i 5-6 ^{[Talwar and Jhingran, 1991]}
B III; D 9(2/7); A 22-24(2/21-22); P 10; V 7; L.ls 55-65 ^{[Shafi and Quddus, 1982]}

Scales:

55-66 scales on lateral line. 4 scales between origin of pelvic fin and lateral line. [5]

Chemistry:

Name

Amount

Unit

Body Parts

Matter Type

Specimen

Ref.

13-cis-dehydroretinol

9

μg/ 100 g

Edible parts

Raw

Wild

824

13-cis-retinol

25

Edible parts

Raw

Wild

824

All-trans-dehydroretinol

45

μg/ 100 g

Edible parts

Raw

Wild

824

All-trans-retinol

90

μg/ 100 g

Edible parts

Raw

Wild

824

Ash

14.39

%

Whole body

Dry

Wild

887

Ash

3.15

%

Whole body

Fresh

Wild

887

Calcium

1.84

%

Whole body

Dry

Wild

887

Calcium

0.40

%

Whole body

Fresh

Wild

887

Calcium

1000

mg/ 100 g

Edible parts

Raw

Wild

824

Copper

0.052

mg/ 100 g

Edible parts

Raw

Wild

824

Gross energy

23.32

kJ/g

Whole body

Dry

Wild

887

Gross energy

5.10

kJ/g

Whole body

Fresh

Wild

887

Iodine

19

μg/ 100 g

Edible parts

Raw

Wild

824

Iron

0.84

mg/ 100 g

Edible parts

Raw

Wild

824

Lipid

19.50

%

Whole body

Dry

Wild

887

Lipid

4.27

%

Whole body

Fresh

Wild

887

Magnesium

39

mg/ 100 g

Edible parts

Raw

Wild

824

Manganese

0.60

mg/ 100 g

Edible parts

Raw

Wild

824

Moisture

78.09

%

Whole body

Fresh

Wild

887

Muscle protein

18.17

%

Whole body

Fresh

Wild

887

Phosphorus

0.52

Whole body

Fresh

Wild

887

Phosphorus

2.36

%

Whole body

Dry

Wild

887

Phosphorus

590

mg/ 100 g

Edible parts

Raw

Wild

824

Potassium

85

mg/ 100 g

Edible parts

Raw

Wild

824

Protein

66.03

%

Whole body

Dry

Wild

887

Protein

14.47

%

Whole body

Fresh

Wild

887

Selenium

32

μg/ 100 g

Edible parts

Raw

Wild

824

Sodium

28

mg/ 100 g

Edible parts

Raw

Wild

824

Sulphur

170

mg/ 100 g

Edible parts

Raw

Wild

824

Vitamin A

132

μg/ 100 g

Edible parts

Raw

Wild

824

Vitamin B12

5.64

μg/ 100 g

Edible parts

Raw

Wild

824

Vitamin D3

4.00

μg/ 100 g

Edible parts

Raw

Wild

824

Vitamin E (α-tocopherol)

0.11

mg/ 100 g

Edible parts

Raw

Wild

824

Zinc

4.7

mg/ 100 g

Edible parts

Raw

Wild

824

β-Carotene

21

μg/ 100 g

Edible parts

Raw

Wild

824

Conservation Status:

Global	:	Least Concern (LC)	(Version 3.1) [533]
Bangladesh	:	Vulnerable (VU)	(Version 3.1) [230]

Occurrence/Distribution:

Global	:	Bangladesh[70] India[37] Myanmar[6] Pakistan[741]
Bangladesh	:	Padma river, Rajshahi[274] Chalan beel, Natore[490] Passur River, Khulna[752] Mahananda River, Chapainawabganj[775] Talma River, Panchagarh[800] Someshwari river, Netrokona[806] Nabaganga river, Narail[809] Banar River, Mymensingh[1023] Punarbhaba, Dinajpur[1161] Feni river, Feni[1165] Muhuri river, Feni[1165] Titas river, Brahmanbaria[1169] Betna river, Satkhira[1201] Sandha river, Pirojpur[1206]

Habitat and Environment:

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

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:

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, Push net, Fixed net ^[792]
Market price:
200-300 BDT/kg (Size: 5-6 cm, Weight: 8-10 g, Place: Noakhali, Bangladesh) ^[792]