altocrustacea Branchiopoda Copepoda Malacostraca argulus Fish Lice Foliaceus Not an uncommon parasite of fish this family are thought to be primitive yet there is no evidence of this in the fossil record. crabs Geosesarma Vampire Crabs Potamon crayfish Barbicambarus Cambarellus Cambarus Cherax Euastacus Hobbseus Lacunicambarus Pacifastacus Procambarus

fairy shrimp Dendrocephalus Redtail mutations Naturally occuring, but bizarre, mutations. ostrocoda Podocopida shrimp About Macrobrachium Atya Arachnochium Atyaephyra Atyoida Atyopsis Australatya Caridina Halocaridina Leptopalaemon Micratya Neocaridina Paracaridina Troglocaris