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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). They are native to South and Southeast Asia and, depending on the species, occur in freshwater, brackish, and/or marine environments.

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.

There are eight recognized species in this genus:


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Wikipedia

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