Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758
           Order Thoracici Linnaeus, 1758
             Genus Perca Linnaeus, 1758
               01 Perca fluviatilis Linnaeus, 1758 - Eurasian perch
               02 Perca lucioperca Linnaeus, 1758 see Sander lucioperca (C. Linnaeus, 1758)
               03 Perca asper Linnaeus, 1758 see Zingel asper (C. Linnaeus, 1758)
               04 Perca labrax Linnaeus, 1758 see Dicentrarchus labrax (Linnaeus, 1758)
               05 Perca nilotica Linnaeus, 1758 see Oreochromis niloticus (C. Linnaeus, 1758)
               06 Perca marina Linnaeus, 1758 see Sebastes marinus (C. Linnaeus, 1758)
               07 Perca nobilis Linnaeus, 1758 see Conodon nobilis (C. Linnaeus, 1758)
               08 Perca polymna Linnaeus, 1758 see Amphiprion polymnus (C. Linnaeus, 1758)
               09 Perca cottoides Linnaeus, 1758 see Cottapistus cottoides (C. Linnaeus, 1758)
               10 Perca philadelphica Linnaeus, 1758 see Centropristis philadelphica (C. Linnaeus, 1758)
               11 Perca mediterranea Linnaeus, 1758 see Symphodus mediterraneus (C. Linnaeus, 1758)
               12 Perca vittata Linnaeus, 1758 see Plectorhinchus vittatus (C. Linnaeus, 1758)
               13 Perca punctata Linnaeus, 1758 see Cephalopholis fulva (C. Linnaeus, 1758)
               14 Perca guttata Linnaeus, 1758 see Epinephelus guttatus (C. Linnaeus, 1758)
               15 Perca scriba Linnaeus, 1758 see Serranus scriba (C. Linnaeus, 1758)
               16 Perca venenosa Linnaeus, 1758 see Mycteroperca venenosa (C. Linnaeus, 1758)
               17 Perca melanura Linnaeus, 1758 see Haemulon melanurum (C. Linnaeus, 1758)
               18 Perca gibbosa Linnaeus, 1758 see Lepomis gibbosus (C. Linnaeus, 1758)
               19 Perca saltatrix Linnaeus, 1758 see Perca sectatrix Linnaeus, 1758
               20 Perca stigma
               21 Perca diagramma Linnaeus, 1758 see Plectorhinchus diagrammus (C. Linnaeus, 1758)
               22 Perca striata Linnaeus, 1758 see Haemulon striatum (C. Linnaeus, 1758)
               23 Perca lineata Linnaeus, 1758 see Plectorhinchus lineatus (C. Linnaeus, 1758)
               24 Perca rhomboidalis Linnaeus, 1758 see Archosargus rhomboidalis (C. Linnaeus, 1758)
               25 Perca cernua Linnaeus, 1758 see Gymnocephalus cernuus (C. Linnaeus, 1758)
               26 Perca schraetser Linnaeus, 1758 see Gymnocephalus schraetser (C. Linnaeus, 1758)
               27 Perca argentea C. Linnaeus, 1758, nom. oblit. see Terapon theraps (Cuvier, 1829)
               28 Perca cabrilla Linnaeus, 1758 see Serranus cabrilla (C. Linnaeus, 1758)
               29 Perca radula Linnaeus, 1758