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Gudgeon is the common name for a number of small freshwater fish of the families Cyprinidae, Eleotridae or Ptereleotridae. Most gudgeons are elongate, bottom-dwelling fish, many of which live in rapids and other fast moving water. ==Families== * Cyprinidae – Various cyprinid gudgeons, members of the subfamily Gobioninae (e.g. genera ''Gobio'', ''Romanogobio''), are found in lakes and rivers throughout Europe. Most commonly gudgeon refers to the species ''Gobio gobio''. This is a rheophilic and schooling species that occurs both in river and lake habitats across continental Europe and the United Kingdom. ''G. gobio'' feeds on a variety of invertebrates. This gudgeon is an easy fish to catch for beginners. In 2011, the British rod caught record gudgeon is 5 ounces caught in 1990 on the River Nadder, Wiltshire.〔(British rod-caught records ) Retrieved 4 August 2011〕 * Eleotridae – Known commonly as gudgeons, many species in the family Eleotridae are also called sleeper gobies. Unlike gobies, Eleotridae gudgeons have paired ventral fins rather than a fused ventral fin.〔Helfman G., Collette B., & Facey D.: The Diversity of Fishes, Blackwell Publishing, p 264, 1997, ISBN 0-86542-256-7〕 In Australia, gudgeons from the family Eleotridae are widespread and are popular for aquariums. * Ptereleotridae – Gudgeons in the family Ptereleotridae are primarily marine species and are often associated with tropical coral reefs. File:Grondel die zwartbekgrondel genoemd wordt..jpg File:Gobio gobio.jpg|''Gobio gobio'' File:Ptereleotris microlepis.jpg|Blue gudgeon, ''Ptereleotris microlepis'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gudgeon (fish)」の詳細全文を読む スポンサード リンク
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