fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
     Diplomystidae
     Loricarioidei
       Astroblepidae
       Callichthyidae
         Callichthyinae
         Corydoradinae
           Aspidoras
           Corydoras
           names
           Scleromystax
             barbatus
             kronei
             macropterus
             prionotos
             reisi
             salmacis
       Loricariidae
       Nematogenyidae
       Scoloplacidae
     Siluroidei
     Trichomycteridae
   Synbranchiformes
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inverts
plants
misc