Polynemus
''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 family Polynemidae 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. Species There are eight recognized species in this genus: * ''Polynemus aquilonaris'' Hiroyuki Motomura, Motomura, 2003 (Northern paradise fish) * ''Polynemus bidentatus'' Hiroyuki Motomura, Motomura & Tsukawaki, 2006 * ''Polynemus dubius'' Pieter Bleeker, Bleeker, 1854 (Eastern paradise fish) * ''Polynemus hornadayi'' George S. Myers, Myers, 1936 (Hornaday's paradise fish) * ''Polynemus kapuasensis'' Hiroyuki Motomura, Motomura & Martien JP van Oijen, van Oijen, 2003 (Kapuas elegant paradise fish) * ''P ...
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