fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
     Diplomystidae
     Loricarioidei
       Astroblepidae
       Callichthyidae
         Callichthyinae
         Corydoradinae
           Aspidoras
           Brochis
             arcuatus
             bethanae
             bifasciatus
             britskii
             brittoi
             condiscipulus
             crypticus
             ephippifer
             incolicana
             leopardus
             multiradiatus
             orphnopterus
             pantanalensis
             pulcher
             robinae
             robustus
             seussi
             sodalis
             splendens
             virginiae
           Corydoras
           Gastrodermus
           Hoplisoma
           Osteogaster
           Scleromystax
           cw
           c
       Loricariidae
       Nematogenyidae
       Scoloplacidae
     Siluroidei
     Trichomycteridae
   Synbranchiformes
   more
inverts
plants
misc