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Fish Identification: Find Species


Family: Polynemidae Threadfins



(See list of species below)



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42 species in
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Northwest Pacific
Max. Length 73.9 cm SL
Eleutheronema rhadinum (Jordan & Evermann, 1902)

Photo by Photo by The Fish Database of Taiwan
 
Eleutheronema rhadinum
[East Asian fourfinger threadfin]



Indo-West Pacific
Max. Length 200 cm TL
Eleutheronema tetradactylum (Shaw, 1804)

Photo by Photo by Randall, J.E.
 
Eleutheronema tetradactylum
[Fourfinger threadfin]



Western Pacific
Max. Length 25 cm SL
Eleutheronema tridactylum (Bleeker, 1849)

Photo by Photo by Motomura, H.
 
Eleutheronema tridactylum
[Threefinger threadfin]



Western Pacific
Max. Length 38 cm TL
Filimanus heptadactyla (Cuvier, 1829)

Photo by Photo by Devarapalli, P.
 
Filimanus heptadactyla
[Sevenfinger threadfin]



Western Central Pacific
Max. Length 12 cm SL
Filimanus hexanema (Cuvier, 1829)

Photo by Photo by FAO
 
Filimanus hexanema
[Javanese threadfin]



Western Central Pacific
Max. Length 16 cm SL
Filimanus perplexa Feltes, 1991

Photo by Photo by FAO
 
Filimanus perplexa
[Splendid threadfin]



Western Central Pacific
Max. Length 15 cm SL
Filimanus sealei (Jordan & Richardson, 1910)

Photo by Photo by Motomura, H.
 
Filimanus sealei
[Eightfinger threadfin]



Indian Ocean
Max. Length 13 cm SL
Filimanus similis Feltes, 1991

Photo by Photo by Khan, M.M.
 
Filimanus similis
[Indian sevenfinger threadfin]



Indo-West Pacific
Max. Length 14 cm SL
Filimanus xanthonema (Valenciennes, 1831)

Photo by Photo by CSIRO
 
Filimanus xanthonema
[Yellowthread threadfin]



Eastern Atlantic
Max. Length 50 cm TL
Galeoides decadactylus (Bloch, 1795)

Photo by Photo by Wirtz, P.
 
Galeoides decadactylus
[Lesser African threadfin]



Indo-West Pacific
Max. Length 142 cm TL
Leptomelanosoma indicum (Shaw, 1804)

Photo by Photo by Motomura, H.
 
Leptomelanosoma indicum
[Indian threadfin]



Western Central Pacific
Max. Length 11 cm SL
Parapolynemus verekeri (Saville-Kent, 1889)

Photo by Photo by FAO
 
Parapolynemus verekeri
[Dwarf paradise fish]



Eastern Atlantic
Max. Length 35 cm TL
Pentanemus quinquarius (Linnaeus, 1758)

Photo by Photo by FAO
 
Pentanemus quinquarius
[Royal threadfin]



Eastern Pacific
Max. Length 36.8 cm TL
Polydactylus approximans (Lay & Bennett, 1839)

Photo by Photo by Robertson, R.
 
Polydactylus approximans
[Blue bobo]



Eastern Indian Ocean
Max. Length 27 cm SL
Polydactylus bifurcus Motomura, Kimura & Iwatsuki, 2001

Photo by Photo by FAO
 
Polydactylus bifurcus
[Slender fivefinger threadfin]



Western Central Pacific
Max. Length 26 cm SL
Polydactylus longipes Motomura, Okamoto & Iwatsuki, 2001

Photo by Photo by FAO
 
Polydactylus longipes
[Long-limb threadfin]



Asia
Max. Length 72 cm SL
Polydactylus luparensis Lim, Motomura & Gambang, 2010

Photo by Photo by Lim, A.P.K.
 
Polydactylus luparensis
[Sarawak Giant Threadfin]



Indo-West Pacific
Max. Length 170 cm FL
Polydactylus macrochir (Günther, 1867)

Photo by Photo by Cook, D.C.
 
Polydactylus macrochir
[King threadfin]



Asia
Max. Length 52 cm TL
Polydactylus macrophthalmus (Bleeker, 1858)

Photo by Photo by FAO
 
Polydactylus macrophthalmus
[River threadfin]



Western Indian Ocean
Max. Length 14.9 cm SL
Polydactylus malagasyensis Motomura & Iwatsuki, 2001

Photo by Photo by FAO
 
Polydactylus malagasyensis
[African blackspot threadfin]



Eastern Indian Ocean and
Max. Length 25 cm TL
Polydactylus microstomus (Bleeker, 1851)

Photo by Photo by CSIRO
 
Polydactylus microstomus
[Smallmouth threadfin]



Western Indian Ocean
Max. Length 19 cm SL
Polydactylus mullani (Hora, 1926)

Photo by Photo by Motomura, H.
 
Polydactylus mullani
[Arabian blackspot threadfin]



Eastern Indian Ocean and
Max. Length 24.5 cm FL
Polydactylus multiradiatus (Günther, 1860)

Photo by Photo by CSIRO
 
Polydactylus multiradiatus
[Australian threadfin]



Western Pacific
Max. Length 20 cm TL
Polydactylus nigripinnis Munro, 1964

Photo by Photo by CSIRO
 
Polydactylus nigripinnis
[Blackfin threadfin]



Western Atlantic
Max. Length 33 cm TL
Polydactylus octonemus (Girard, 1858)

Photo by Photo by NOAA\NMFS\Mississippi Laboratory
 
Polydactylus octonemus
[Atlantic threadfin]



Western Atlantic
Max. Length 46 cm TL
Polydactylus oligodon (Günther, 1860)

Photo by Photo by Johnson, L.
 
Polydactylus oligodon
[Littlescale threadfin]



Eastern Pacific
Max. Length 50 cm TL
Polydactylus opercularis (Gill, 1863)

Photo by Photo by Robertson, R.
 
Polydactylus opercularis
[Yellow bobo]



Western Indian Ocean
Max. Length 16 cm SL
Polydactylus persicus Motomura & Iwatsuki, 2001

Photo by Photo by Motomura, H.
 
Polydactylus persicus
[Persian blackspot threadfin]



Indo-Pacific
Max. Length 45 cm SL
Polydactylus plebeius (Broussonet, 1782)

Photo by Photo by Hermosa, Jr., G.V.
 
Polydactylus plebeius
[Striped threadfin]



Eastern Atlantic
Max. Length 200 cm TL
Polydactylus quadrifilis (Cuvier, 1829)

Photo by Photo by Klimpel, S.
 
Polydactylus quadrifilis
[Giant African threadfin]



Indo-Pacific
Max. Length 61 cm TL
Polydactylus sexfilis (Valenciennes, 1831)

Photo by Photo by Randall, J.E.
 
Polydactylus sexfilis
[Sixfinger threadfin]



Eastern Indian Ocean and
Max. Length 30 cm TL
Polydactylus sextarius (Bloch & Schneider, 1801)

Photo by Photo by Randall, J.E.
 
Polydactylus sextarius
[Blackspot threadfin]



Eastern Indian Ocean
Max. Length 27.4 cm SL
Polydactylus siamensis Motomura, Iwatsuki & Yoshino, 2001

Photo by Photo by WWF / Vidthayanon, C.
 
Polydactylus siamensis
[Largemouth striped threadfin]



Western Atlantic
Max. Length 33 cm TL
Polydactylus virginicus (Linnaeus, 1758)

Photo by Photo by Carvalho Filho, A.
 
Polydactylus virginicus
[Barbu]



Asia
Max. Length 15.8 cm SL
Polynemus aquilonaris Motomura, 2003

Photo by Photo by WWF / Vidthayanon, C.
 
Polynemus aquilonaris
[Northern paradise fish]



Asia
Max. Length 15.3 cm SL
Polynemus bidentatus Motomura & Tsukawaki, 2006

Photo by Photo by Motomura, H.
 
Polynemus bidentatus
[]



Asia
Max. Length 20 cm SL
Polynemus dubius Bleeker, 1853

Photo by Photo by Jean-Francois Helias / Fishing Adventures Thailand
 
Polynemus dubius
[Eastern paradise fish]



Asia
Max. Length 19.5 cm SL
Polynemus hornadayi Myers, 1936

Photo by Photo by Motomura, H.
 
Polynemus hornadayi
[Hornaday’s paradise fish]



Asia
Max. Length 17 cm SL
Polynemus kapuasensis Motomura & van Oijen, 2003

Photo by Photo by FAO
 
Polynemus kapuasensis
[Kapuas elegant paradise fish]



Asia
Max. Length 25 cm SL
Polynemus melanochir Valenciennes, 1831

Photo by Photo by Motomura, H.
 
Polynemus melanochir
[Blackhand paradise fish]



Asia
Max. Length 28 cm SL
Polynemus multifilis Temminck & Schlegel, 1843

Photo by Photo by JJPhoto
 
Polynemus multifilis
[Elegant paradise fish]



Eastern Indian Ocean and
Max. Length 30 cm NG
Polynemus paradiseus Linnaeus, 1758

Photo by Photo by Hasan, M.E.
 
Polynemus paradiseus
[Paradise threadfin]



42 species

Sort by: Species Length Year
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Scientific Name English Name Distribution Max. Length (cm) Year
Eleutheronema rhadinum East Asian fourfinger threadfin Northwest Pacific 73.9 SL 1902
Eleutheronema tetradactylum Fourfinger threadfin Indo-West Pacific 200 TL 1804
Eleutheronema tridactylum Threefinger threadfin Western Pacific 25 SL 1849
Filimanus heptadactyla Sevenfinger threadfin Western Pacific 38 TL 1829
Filimanus hexanema Javanese threadfin Western Central Pacific 12 SL 1829
Filimanus perplexa Splendid threadfin Western Central Pacific 16 SL 1991
Filimanus sealei Eightfinger threadfin Western Central Pacific 15 SL 1910
Filimanus similis Indian sevenfinger threadfin Indian Ocean 13 SL 1991
Filimanus xanthonema Yellowthread threadfin Indo-West Pacific 14 SL 1831
Galeoides decadactylus Lesser African threadfin Eastern Atlantic 50 TL 1795
Leptomelanosoma indicum Indian threadfin Indo-West Pacific 142 TL 1804
Parapolynemus verekeri Dwarf paradise fish Western Central Pacific 11 SL 1889
Pentanemus quinquarius Royal threadfin Eastern Atlantic 35 TL 1758
Polydactylus approximans Blue bobo Eastern Pacific 36.8 TL 1839
Polydactylus bifurcus Slender fivefinger threadfin Eastern Indian Ocean 27 SL 2001
Polydactylus longipes Long-limb threadfin Western Central Pacific 26 SL 2001
Polydactylus luparensis Sarawak Giant Threadfin Asia 72 SL 2010
Polydactylus macrochir King threadfin Indo-West Pacific 170 FL 1867
Polydactylus macrophthalmus River threadfin Asia 52 TL 1858
Polydactylus malagasyensis African blackspot threadfin Western Indian Ocean 14.9 SL 2001
Polydactylus microstomus Smallmouth threadfin Eastern Indian Ocean and 25 TL 1851
Polydactylus mullani Arabian blackspot threadfin Western Indian Ocean 19 SL 1926
Polydactylus multiradiatus Australian threadfin Eastern Indian Ocean and 24.5 FL 1860
Polydactylus nigripinnis Blackfin threadfin Western Pacific 20 TL 1964
Polydactylus octonemus Atlantic threadfin Western Atlantic 33 TL 1858
Polydactylus oligodon Littlescale threadfin Western Atlantic 46 TL 1860
Polydactylus opercularis Yellow bobo Eastern Pacific 50 TL 1863
Polydactylus persicus Persian blackspot threadfin Western Indian Ocean 16 SL 2001
Polydactylus plebeius Striped threadfin Indo-Pacific 45 SL 1782
Polydactylus quadrifilis Giant African threadfin Eastern Atlantic 200 TL 1829
Polydactylus sexfilis Sixfinger threadfin Indo-Pacific 61 TL 1831
Polydactylus sextarius Blackspot threadfin Eastern Indian Ocean and 30 TL 1801
Polydactylus siamensis Largemouth striped threadfin Eastern Indian Ocean 27.4 SL 2001
Polydactylus virginicus Barbu Western Atlantic 33 TL 1758
Polynemus aquilonaris Northern paradise fish Asia 15.8 SL 2003
Polynemus bidentatus Asia 15.3 SL 2006
Polynemus dubius Eastern paradise fish Asia 20 SL 1853
Polynemus hornadayi Hornaday’s paradise fish Asia 19.5 SL 1936
Polynemus kapuasensis Kapuas elegant paradise fish Asia 17 SL 2003
Polynemus melanochir Blackhand paradise fish Asia 25 SL 1831
Polynemus multifilis Elegant paradise fish Asia 28 SL 1843
Polynemus paradiseus Paradise threadfin Eastern Indian Ocean and 30 NG 1758



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cfm script by eagbayani, 30.11.04, ,  php script by cmilitante, 05/11/2010 ,  last modified by cmilitante, 14/03/2013