Extremely detailed and useful with dozens of great photos. Stingray fans will love this book. Freshwater Stingrays from South America (AQUALOG Special) Richard Ross  More Info price: $25.00	A must for the freshwater enthusiast. Beautiful pictures and detailed information on many species Dr. Axelrod's Mini-Atlas of Freshwater Aquarium Fishes Herbert, Dr. Axelrod  More Info price: $25.17
Piranhas: Everything About Selection, Care, Nutrition, Diseases, Breeding, and Behavior (More Complete Pet Owner's Manuals) David M. Schleser  More Info price: $7.95	Stingrays are not Goldfish! A must have, especially for your first ray. Even has info on breeding. Freshwater Stingrays: Everything About Purchase, Care, Feeding, and Aquarium Design (Complete Pet Owner's Manual) Richard Ross  More Info price: $7.95
The end-all of identification for serious hobbyists Dr. Axelrod's Atlas of Freshwater Aquarium Fishes Herbert R. Axelrod  More Info price: $69.97	Fishes of the Amazon and Their Environment: Physiological and Biochemical Aspects (Zoophysiology, Vol 32) V.M.F. De Almeida-Val  More Info price: $174.00