white-tip
/ˈwʌɪttɪp/noun
More fully white-tip shark. Either of two requiem sharks having fins with white tips, Triaenodon obesus, a small reef shark of tropical Indo-Pacific coastal waters, and Carcharhinus longimanus, a large oceanic shark of warmer waters worldwide.
Origin
Mid 19th century (in an earlier sense). From white + tip.