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Eleutheronema tetradactylum

Fourfinger threadfin
Eleutheronema tetradactylum Thomas.jpg
Eleutheronema tetradactylum
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Polynemidae
Genus: Eleutheronema
Species: E. tetradactylum
Binomial name
Eleutheronema tetradactylum
(Shaw, 1804)
Synonyms
  • Polydactylus rhadinus, Jordan & Evermann, 1902
  • Eleutheronema rhadinum, Jordan & Evermann, 1902

Eleutheronema tetradactylum, also known as fourfinger threadfin, Indian salmon, blue threadfin, or Rawas, is a threadfin fish of the Polynemidae family. This is a commercially valuable species, known for uses in aquaculture. It occurs mainly over shallow muddy bottoms in coastal waters, often forming loose schools. Adults of this species enter rivers during winter. Adults feed on prawns, fish, and occasionally polychaetes, while juveniles feed on prawns, shrimps, and mysids. This species is vulnerable to overfishing.


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