Polynemus
Polynemus | |
---|---|
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Perciformes |
Family: | Polynemidae |
Genus: | Polynemus Linnaeus, 1758 |
Polynemus is a genus of threadfins (family Polynemidae).[1][2][3] They are native to South and Southeast Asia and, depending on the species, occur in freshwater, brackish, and/or marine environments.[2]
The Polynemidae family is characterized by the pectoral fin that is divided into two sections; the upper one with rays that are attached whereas the lower rays are long and unattached ("threads"). In Polynemus the unattached rays number 14–15, in contrast to 3–7 in other genera.[3]
Species
There are eight recognized species in this genus:[1][2]
- Polynemus aquilonaris — Northern paradise fish
- Polynemus bidentatus
- Polynemus dubius — Eastern paradise fish
- Polynemus hornadayi — Hornaday’s paradise fish
- Polynemus kapuasensis — Kapuas elegant paradise fish
- Polynemus melanochir
- Polynemus melanochir melanochir — Blackhand paradise fish
- Polynemus melanochir dulcis — Lake blackhand paradise fish
- Polynemus multifilis — Elegant paradise fish
- Polynemus paradiseus — Paradise threadfin
References
- 1 2 Froese, Rainer, and Daniel Pauly, eds. (2015). Species of Polynemus in FishBase. August 2015 version.
- 1 2 3 Eschmeyer, W. N. and R. Fricke (eds) (2 November 2015). "Catalog of Fishes". California Academy of Sciences. Retrieved 9 November 2015.
- 1 2 Nelson, J. S. (2006). Fishes of the World (4 ed.). Hoboken, NJ: John Wiley & Sons. p. 372. ISBN 978-0-471-25031-9.
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