fish
inverts
   arthropods
   bacteria
   cnidaria
   colonial
   crustacea
     Anomopoda
     argulus
     crabs
     crayfish
     cyclops
     fairy shrimp
     gammarus
     mutations
     ostracod
     shrimp
       About
       Macrobrachium
       Atya
       Arachnochium
         kulsiense
       Atyaephyra
       Atyoida
       Atyopsis
       Australatya
       Caridina
       Halocaridina
       Leptopalaemon
       Micratya
       Neocaridina
       Paracaridina
       Troglocaris
     triops
   gastropods
   molluscs
   protists
   worms
plants
misc