单词 | cleaner fish |
释义 | cleaner fishnoun : any of several small fish that clean larger fish of parasites and dead tissue especially : cleaner wrasse So-called cleaner fish are among the best-known examples of mutualism in nature. These small fish eat parasites off the skin of larger fish, and it's a win-win situation—the small fish gets food and protection from predators while the larger one stays clean and healthy. Henry Fountain, New York Times, 28 Apr. 2009 |
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