Polymixia

Polymixia is the only extant genus of the order Polymixiiformes and the only genus in Polymixiidae. It contains 10 species, all of which live in deepwater marine environments. They are found in tropical and subtropical waters of the Atlantic, Indian and western Pacific Oceans. They are bottom-dwelling fish, found down to about 800 m. Most are relatively small fish, although one species is over 40 cm in length.

Classification
There are currently 10 recognized species in this genus:


 * Polymixia berndti C. H. Gilbert, 1905 (Pacific beardfish)
 * Polymixia busakhini Kotlyar, 1993 (Busakhin's beardfish)
 * Polymixia fusca Kotthaus, 1970
 * Polymixia japonica Günther, 1877 (Silver eye)
 * Polymixia longispina S. M. Deng, G. Q. Xiong & H. X. Zhan, 1983
 * Polymixia lowei Günther, 1859 (Beardfish)
 * Polymixia nobilis R. T. Lowe, 1838 (Stout beardfish)
 * Polymixia salagomeziensis Kotlyar, 1991
 * Polymixia sazonovi Kotlyar, 1992
 * Polymixia yuri Kotlyar, 1982