The approximately 4,600 color photographs are accompanied by brief, concise information on natural distribution, social behavior, dietary requirements, breeding, etc.
Includes a comprehensive 30,000-entry index to freshwater genera and species.
The approximately 4,600 color photographs are accompanied by brief, concise information on natural distribution, social behavior, dietary requirements, breeding, etc.
Includes a comprehensive 30,000-entry index to freshwater genera and species.