Maddy Francis Heleine has over 40 years of experience in all different aspects of aquarium fish-keeping. Maddy has been a contributing writer and columnist for several aquatic magazines, and has written several books on aquarium fish. When not writing about fish, Maddy enjoys woodworking, cooking, reading, DNA research, video games, and scuba diving to explore the underwater world firsthand. Maddy, her husband, two beagles, and fish currently live in Sharon, Pennsylvania.