こんえい 混泳 LinksSentence search for 混泳Sentence search for こんえいKanji details for 混 and 泳Edit in JMdict Noun, Suru verb, Intransitive verb1. keeping multiple species of fish (or other aquatic animals) in the same tank; (multiple species) swimming in the same tankNoun2. medley relay (swimming)Sports, See also メドレーリレー Discussions Log in to talk about this word.