Freshwater macroinvertebrates provide a useful and reliable indicator of the health of our rivers, streams, ponds and wetlands. This text provides a comprehensive and accurate identification guide for both professionals and non-professionals in temperate Australia. It contains an easy-to-use key to all macroinvertebrate groups and photographs of live specimens. It provides basic information on the biology of macroinvertebrates, and describes the SIGNAL method for measuring water quality. It is full of tips about where to find various animals, and what their presence can tell about their environment.|Full of practical tips about where to find various animals, and what their presence can tell about their environment.