fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
     Acanthuroidei
     Callionymoidei
     Channoidei
     Gobioidei
     Icosteoidei
     Kurtoidei
     Labroidei
     Notothenioidei
     Scombroidei
     Scombrolabracoidei
     Stromateoidei
     Trachinoidei
     Xiphioidei
     Zoarcoidei
     Percoidei
       Apogonidae
       Cepoloidea
       Cirrhitoidea
       Kuhliidae
       Percoidea
         Monodactylidae
         Percidae
           Etheostomatinae
             Allohistium
             Crystallaria
             Etheostoma
             Nothonotus
             Percina
               auriantiata
               bimaculata
               burtoni
               caprodes
               evides
               gymnocephala
               kusha
               lenticula
               maculata
               notogramma
               palmaris
               phoxocephala
               tanasi
           Luciopercinae
         Tetraodontidae
         Toxotidae
   Siluriformes
   Synbranchiformes
   more
inverts
plants
misc