A guide to freshwater and marine aquarium fish and plants, including all common and scientific names, environmental needs and other pertinent information, photo

As mammals ourselves, we have always been fascinated with this most advanced class of animals, and "Simon & Schuster's Guide to Mammals" describes 426 species w

This is a field guide with a plus: It not only tells how to identify the common freshwater fishes of North America, it also tells how to collect them and keep t

In warm, shallow waters around the world, coral reefs teem with tens of thousands of marine species. Reefs rival rain forests in biodiversity, and about a third