Macroinvertebrate : Freshwater insects, molluscs, crustaceans, annelids, hydroids and flatworms living amongst surficial stream bed substrate or on instream vegetation
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}