- Rays and Skates: Characteristics, Behavior and Reproduction
- Ray Species: Electric Ones, Jumpers and Living Fossils
- Manta Ray; Characteristics, Species, Behavior, Feeding
- Humans and Manta Rays: Declining Numbers, Threats and Chinese Medicine
- Stingrays: Characteristics, Behavior and Their Venomous Tails
- Stingray Stings: Injuries, Deaths, What They Are Like and Avoiding Them
- Stingray Species and Groups: Ribbtontail, Six-Gill, Freshwater and Round Rays
