curve

fish
inverts
   Arthropoda
     Arachnida
     crustacea
     insecta
       diptera
         Chaoboridae
         Chironomidae
           Chironomus
       Odonata
       Hemiptera
   bacteria
   cnidaria
   colonial
   gastropods
   molluscs
   protists
   worms
misc
plants

Chironomus

Bloodworms

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