Ames, Iowa, June 15, 2004: An aquatic invertebrate identification guide has recently been completed by Joe Boyland and Joe Morris, Iowa State University. This CD uses a variety of pictures to assist the fish culturist in indentifying zooplankton and aquatic insects, which can be important in the survival and growth of larval fish. This CD is available for a cost of $10, which includes shipping and handling. Contact the NCRAC Publications Office and request CD Series #102.