白鳍鲨（学名：Triaenodon obesus）又名三齿鲨，因鳍尖是白色而得名。背鳍顶端与尾鳍处常有白色斑点。生长缓慢，每年才长2厘米－4厘米，最长可达210厘米。它们以鱼类和乌贼为食，成群地栖息在热带水域的珊瑚礁的洞穴和缝隙中 白天休息 夜晚活动。分布于印度洋及太平洋珊瑚区海域。
从上世纪50年代起，大西洋西北部和中部的远洋白鳍鲨数量减少了85%。
Since the 1950s, the oceanic whitetip has declined 85% in the northwest and central Atlantic.
虎鲨和牛鲨是在墨西哥湾比较常见的两种鲨鱼，大白鲨比较少见，而白鳍鲨几乎不出现在浅水区。
Tiger sharks and bull sharks are common in the Gulf of Mexico, but it's rare to see a great white, and the oceanic white tip sharks are almost never seen in shallow waters.
其网站上的一则声明说：“海洋白鳍鲨的攻击极其罕见，在红海几乎没有任何类型的鲨鱼攻击。”
A statement on its website read: "attacks by oceanic white tip sharks are extremely rare and shark attacks of any kind are very unusual in the Red Sea."
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