The watery habitats of the world are home to a more var ied and concentrated array of animal lif e than an yw her e on dry land. This guide contains an explanation of how cer tain key animal groups ha ve evolved to live and breed within their dif ferent environments. The detailed directory section provides a comprehensive overview to the vast array of mar ine and freshw ter life that inhabit the globe. Each profile features a descriptive identification guide and contains a map to pinpoint distr ibution, plus inf ormation on habitat , size, breeding and mor e. This visual encyclopedia offers an insight into the wonderful world of freshwater and marine creatures