Polydactylus is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries).[2][3] Some may even enter rivers and a single, P. macrophthalmus, is a freshwater fish from rivers in Borneo.[3]
| Polydactylus | |
|---|---|
| |
| Young Polydactylus plebeius | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Polynemidae |
| Genus: | Polydactylus Lacépède, 1803[1] |
| Type species | |
| Polydactylus plumierii, a synonym of Polydactylus virginicus Lacepède, 1803
| |
Most species do not surpass 72 cm (2.4 ft) in standard length, but two can reach up to 1.7–2 m (5.6–6.6 ft).[3]
Species edit
There are currently 21 species in the genus:[3]
- Polydactylus approximans (Lay & Bennett, 1839) (Blue bobo)
- Polydactylus bifurcus Motomura, Kimura & Iwatsuki, 2001 (Slender fivefinger threadfin)
- Polydactylus longipes Motomura, Okamoto & Iwatsuki, 2001 (Long-limb threadfin)
- Polydactylus luparensis Lim, Motomura & Gambang, 2010 (Sarawak giant threadfin)
- Polydactylus macrochir (Günther, 1867) (King threadfin)
- Polydactylus macrophthalmus (Bleeker, 1858) (River threadfin)
- Polydactylus malagasyensis Motomura & Iwatsuki, 2001 (African blackspot threadfin)
- Polydactylus microstomus (Bleeker, 1851) (Smallmouth threadfin)
- Polydactylus mullani (Hora, 1926) (Arabian blackspot threadfin)
- Polydactylus multiradiatus (Günther, 1860) (Australian threadfin)
- Polydactylus nigripinnis Munro, 1964 (Blackfin threadfin)
- Polydactylus octonemus (Girard, 1858) (Atlantic threadfin)
- Polydactylus oligodon (Günther, 1860) (Littlescale threadfin)
- Polydactylus opercularis Seale & Bean, 1907 (Yellow bobo)
- Polydactylus persicus Motomura & Iwatsuki, 2001 (Persian blackspot threadfin)
- Polydactylus plebeius (Broussonet, 1782) (Striped threadfin)
- Polydactylus quadrifilis (Cuvier, 1829) (Giant African threadfin)
- Polydactylus sexfilis (Valenciennes, 1831) (Sixfinger threadfin)
- Polydactylus sextarius (Bloch & Schneider, 1801) (Blackspot threadfin)
- Polydactylus siamensis Motomura, Iwatsuki & Yoshino, 2001 (Largemouth striped threadfin)
- Polydactylus virginicus (Linnaeus, 1758) (Barbu)
References edit
- ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Polydactylus". Catalog of Fishes. California Academy of Sciences. Retrieved 15 April 2020.
- ^ "FAO Fisheries & Aquaculture - Aquatic species".
- ^ a b c d Froese, Rainer and Pauly, Daniel, eds. (2017). Species of Polydactylus in FishBase. May 2017 version.