Priacanthus is a genus of marine fishes belonging to the family Priacanthidae, the bigeyes. Cookeolus japonicus is a species of fish in the family Priacanthidae, the bigeyes and catalufas. Catalufas are also commonly called "bigeyes" (the common name for all Priacanthidae). They are often found sharing these hiding places with cardinalfishes and bigeyes, also nocturnal species. The Priacanthidae, the bigeyes, are a family of 18 species of marine fishes. The recovery rate was found to be 5.2% for Yellowfins, and 8.1% for Bigeyes.