fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
     Diplomystidae
     Loricarioidei
       Astroblepidae
       Callichthyidae
         Callichthyinae
         Corydoradinae
           Aspidoras
           Brochis
           Corydoras
           Gastrodermus
           Hoplisoma
             araguaiaensis
             axelrodi
             boesmani
             bondi
             burgessi
             coppenamensis
             cruziensis
             davidsandsi
             duplicareus
             erhardti
             evelynae
             eversi
             gladysae
             gossei
             gryphus
             habrosus
             knaackii
             leucomelas
             loxozonus
             melanistius
             melini
             metae
             micracanthus
             natteri
             oiapoquensis
             ortegai
             osvaldoi
             paleatus
             parallelum
             pavanelliae
             petracinii
             polystictum
             punctatum
             rikbaktsa
             schwartzi
             sipaliwini
             sterbai
             thanatos
             trilineatus
             tukano
             urucu
             weitzmani
           Osteogaster
           Scleromystax
           cw
       Loricariidae
       Nematogenyidae
       Scoloplacidae
     Siluroidei
     Trichomycteridae
   more
   Synbranchiformes
inverts
plants
misc