1. A flagellate that is the cause of the frequently fatal fish disease costiasis
   "Costia infections can devastate fish populations in aquariums and fish farms"; "Costia necatrix infections can devastate fish populations in aquariums and fish farms";
   - Costia necatrix

Type of: flagellate, flagellate protozoan, flagellated protozoan, mastigophoran, mastigophore

Part of: genus Costia

Encyclopedia: Costia