Crochet coral reef

Millions of animals are brought into existence and raised for food every year. This has generated three serious problems: first, intensive animal farming is one of the leading caus...

This book summarizes the basic features of living fish. It is introduced by a chapter on the diversity of a group which has over 30,000 species, the largest within the vertebrates,...

Within the considerable diversity of fish there are less-usual attributes of some species which facilitate survival in particular habitats or in response to selective pressures. Th...