fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
     Aplocheiloidei
       Aplocheilidae
         Aplocheilus
         Pachypanchax
           ANL
           NUC
           OMO
           PLA
           PTC
           SAK
           SPK
           VRT
           breeding
           care
           evolution
       Cynolebiidae
       Nothobranchiidae
       �Kenyaichthyidae
     Cyprinodontoidei
     Poeciliidae
   Gobiiformes
   Perciformes
   Siluriformes
   more
   Synbranchiformes
inverts
plants
misc