Polynemus toposui is a Junior Synonym of Polynemus paradiseus.

Polynemus paradiseus Linnaeus, 1758 Jan

Paradise Threadfin - Tapasi - Native Fish - Wild (Freshwater)

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Perciformes
Family	:	Polynemidae
Genus	:	Polynemus
Species	:	Polynemus paradiseus

Common Names:

English	:	Paradise Threadfin[598]
Bangla	:	Tapasi[5] Muni[5] Rishi[5] Thopshe[598]

Synonyms:

Polynemous paradiseus Linnaeus, 1758 Jan
Polynemus risua Hamilton, 1822
Polynemus aureus Hamilton, 1822
Polynemus toposui Hamilton, 1822
Polynemus longifilis Cuvier, 1829 Apr
Polynemus hilleri (Non Fowler, 1905 Aug)

Maximum Length and Weight:

185 mm (TL) ^[5] 30 cm (TL) and 150 g ^[1657]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 5.3-5.5 : 3.8-4 ^[5]
Body height : Total length : Standard length = 1 : 5.6-6.3 : 4-4.6 ^[5]
Eye Diameter : Snout length = 1 : 3-4 ^[5]
Eye Diameter : Inter orbial width = 1 : 4-5 ^[5]

Taxonomic Formula:

B VII; D 7/1/15-16; A 2/12; P 15+VII; V 1/5; C 19; L.ls 90; L.tr 5/14 ^{[Shafi and Quddus, 1982]}
D₁ VII; D₂ I 15-16; A II 12; P 15+vii; V I 5 ^{[Talwar and Jhingran, 1991]}D. VII/ 1/15-16; P₁. 7+16-17; P₂. 6 (I/5); A. 14 (2/12) ^{[Rahman, 2005]}

Scales:

5.5 scales between origin of dorsal fin and lateral line. [5]

Chemistry:

Data not available

Conservation Status:

Global	:	Not Assessed	(Version 3.1) [730]
Bangladesh	:	Least Concern (LC)	(Version 3.1) [353]

Occurrence/Distribution:

Global	:	Bangladesh[1135] India[1135] Malaysia[1054] Myanmar[832] Thailand[1136] Indonesia[449] Pakistan[1136] Sri Lanka[1136]
Bangladesh	:	Halda River, Chittagong Hill Tracts[598] Andharmanik river, Patuakhali[751] Passur River, Khulna[752] Little feni river, Feni[795] Sangu river, Chattogram[811] Ramnabad river, Patuakhali[1163] Feni river, Feni[1165] Lohalia river, Patuakhali[1200] Bishkhali river, Jhalakathi[816]

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:

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, Set bag net, Bottom trawl net, Set bag net, Hand lining, Intertidal trap, Intertidal trap ^[792]
Seine net, Gill net, Set bag net, Bottom trawl net, Set bag net, Hand lining, Intertidal trap, Intertidal trap ^[1657]
Set gill net, Gill net, Set bag net, Bottom trawl net, Set bag net, Hand lining, Intertidal trap, Intertidal trap ^[1174]
Seine net, Gill net, Set bag net, Bottom trawl net, Set bag net, Hand lining, Intertidal trap, Intertidal trap ^[1657]
Market price:
200-250 BDT/kg (Size: 15-20 cm, Weight: 60-80 g, Place: Noakhali, Bangladesh) ^[792]