curve

fish
inverts
plants
misc
   about
   biotope
     creek
     lake
     marsh
     oasis
     pond
     river
       africa
       americas
       asia
       australia
       europe
         Germany
         Russia
       india
       madagascar
       tasmania
     shoreline
   food
   gear
   library
   other
   people
   sci
   stores
   styles
   tanks
   vet

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