minute marine or freshwater crustaceans usually having six pairs of limbs on the thorax; some abundant in plankton and others parasitic on fish (同)copepod crustacean
Japanese Journal
北海道石狩沿岸のガラモ場における魚類群集の食性
櫻井 泉,金田 友紀,中山 威尉 [他],福田 裕毅,金子 友美
日本水産學會誌 = Bulletin of the Japanese Society of Scientific Fisheries 75(3), 365-375, 2009-05-15
The micro-organisms in 35 samples obtained from inside moats of the Imperial Palace of Japan in Tokyo during the years 2000-2004 were studied, and only the additional species unrecorded in the previou …