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首次对南麂列岛国家海洋自然保护区不同生境的主要动物的食性进行分析。结果表明，在常见的２０种动物胃含物中，共鉴定出微、小型藻类８３种。不同生境的动物食物的优势种类组成是不相同的。各动物胃含物种类组成和数量与其海区生境中的优势微、小型藻类种类组成和数量基本相吻合。海洋动物摄食微、小型藻类具有季节变化，夏季虾类、鱼类的胃含物中均有出现的微、小型藻类种类高于其它季节。藤壶、贝类胃含物中均有出现的微、小型藻类种类数春季高于夏、秋、冬季。
For the first time, the feeding habits of the main animals in different habitat of Nanji Islands National Marine Nature Reserve were analyzed. The results showed that 83 species of micro and small algae were identified in the common stomach contents of 20 species of animals. The dominant species composition of animal food in different habitats is different. The species composition and quantity of the stomach contents of each animal are basically consistent with the composition and quantity of the dominant micro and small algae species in their habitats. Microalgae and microalgae in marine animals have seasonal changes. The microalgae and microalgae species appearing in the stomach of summer shrimp and fish are higher than other seasons. Barnacles, shellfish stomach appear in both micro and small algae species in spring than in summer, autumn and winter.