fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
     Diplomystidae
     Loricarioidei
       Astroblepidae
       Callichthyidae
         Callichthyinae
         Corydoradinae
           Aspidoras
           Corydoras
             C Numbers
             lineage
             species
               aneus
               araguaiaensis
               arcuatus
               axelrodi
               bethanae
               blochii
               boesmani
               bondi
               britskii
               brittoi
               burgessi
               condiscipulus
               coppenamensis
               cruziensis
               crypticus
               davidsandsi
               desana
               duplicareus
               ellisae
               ephippifer
               eques
               erhardti
               evelynae
               eversi
               fowleri
               fulleri
               geoffroy
               gladysae
               gossei
               gracilis
               gryphus
               guapore
               habrosus
               hastatus
               incolicana
               knaackii
               leopardus
               leucomelas
               loxozonus
               melanistius
               melini
               metae
               micracanthus
               multiradiatus
               napoensis
               narcissus
               natteri
               nijsseni
               oiapoquensis
               orcesi
               orphnopterus
               ortegai
               paleatus
               pantanalensis
               parallelus
               pavanelliae
               petracinii
               polystictus
               pulcher
               punctatus
               pygmaeus
               rikbaktsa
               robinae
               robustus
               schwartzi
               semiaquilus
               serratus
               seussi
               similis
               sipaliwini
               sodalis
               splendens
                 juvenile
               sterbai
               thanatos
               trilineatus
               tukano
               undulatus
               urucu
               virginiae
               vitattus
               weitzmani
           Scleromystax
       Loricariidae
       Nematogenyidae
       Scoloplacidae
     Siluroidei
     Trichomycteridae
   Synbranchiformes
   more
inverts
plants
misc