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鲨鱼也会吃草？研究发现窄头双髻鲨能高效消化海草
source link: http://tech.sina.com.cn/d/a/2018-01-26/doc-ifyqwiqk8340720.shtml
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新浪科技讯北京时间1月26日消息，据国外媒体报道，你是否想过《海底总动员》里那条“素食者”鲨鱼到底吃什么？我们或许可以从窄头双髻鲨身上寻找答案。这种小型鲨鱼并非完全以植物为食，但它们确实会吃下大量的海草。而且，它们并不只是把海草吞进肚子里，
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