Book excerpt: Britain hosts a diversity of freshwater environments, from torrential hill streams and lowland rivers to lakes and reservoirs, ponds and canals, and ditches and estuaries. Britain's Freshwater Fishes covers more than 50 species of freshwater and brackish fish found in these waters. This beautifully illustrated guide features in-the-hand and in-the-water photographs throughout, and accessible and informative overviews of topics such as fish biology and life cycles. Detailed species accounts describe key identification features, with information on status, size and weight, habitat, ecology, and conservation. The book also includes a glossary and suggestions for further reading. This easy-to-use field guide will be invaluable to anyone interested in Britain's freshwater fish life, from naturalists and academics to students and anglers. Covers all of Britain's freshwater fishes Features beautiful photos throughout Includes detailed information on more than 50 species, the places they inhabit, and their roles in Britain's ecosystems Attractively designed and easy to use