This comprehensive guide covers 200 freshwater and marine species most likely to be encountered across Britain. Richly illustrated with stunning colour photographs throughout, the species accounts include useful information on identification, size, key features, behaviour, habitat, distribution, conservation status, food and similar species, aiding accurate identification. Field Guide to British Fish also contains expert knowledge on fish twitching, life cycles, fish senses, and a handy list of British fish species. From the smallest minnow to gargantuan basking sharks, this is an essential companion for anyone interested in finding and identifying fish species from across the UK.