fish
   Anabantiformes
     Aenigmachannidae
     Anabantoidei
       Anabantidae
       Helostomatidae
       Osphronemidae
         Belontiinae
         Luciocephalinae
         Macropodusinae
           Betta
             AKA
             albimarginatus
             burdigala
             channoides
             coccina
             compuncta
             dennisyongi
             dimidiata
             falx
             ferox
             foerschi
             hendra
             imbellis
             kuehnei
             livida
             macrostoma
               Brunei
               Sarawak
             mahachaiensis
             mandor
             nuluhon
             occellata
             omega
             patoti
             persephone
             raja
             rubra
             rutilans
             simplex
             smaragdina
             splendens
             stigmosa
             taeniata
             uberis
           Macropodus
           Malpulutta
           Parosphromenus
           Trichopsis
         Osphroneminae
         Trichogastrinae
     Channidae
     Nandidae
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
   Synbranchiformes
   more
inverts
plants
misc