Parapriacanthus

Parapriacanthus is a genus of sweepers native to the Indian Ocean and the western Pacific Ocean. Parapriacanthus are bioluminescent, with ventral light organs for counter-illumination. Parapriacanthus luciferase is a kleptoprotein, obtained from their diet on bioluminescent ostracods.

Species
There are currently 11 recognized species in this genus:
 * Parapriacanthus argenteus (von Bonde, 1923)
 * Parapriacanthus darros J. E. Randall & Bogorodsky, 2016
 * Parapriacanthus dispar (Herre, 1935) (Deep bullseye)
 * Parapriacanthus elongatus (McCulloch, 1911) (Slender bullseye)
 * Parapriacanthus guentheri (Klunzinger, 1871)
 * Parapriacanthus kwazulu J. E. Randall & Bogorodsky, 2016
 * Parapriacanthus marei Fourmanoir, 1971 (Red-fin sweeper)
 * Parapriacanthus punctulatus J. E. Randall & Bogorodsky, 2016
 * Parapriacanthus rahah J. E. Randall & Bogorodsky, 2016
 * Parapriacanthus ransonneti Steindachner, 1870 (Pygmy sweeper)
 * Parapriacanthus sharm J. E. Randall & Bogorodsky, 2016