- whitetip shark, reef whitetip shark, Triaenodon obseus - smooth dogfish of Pacific and Indian oceans and Red Sea having white-tipped dorsal and caudal fins
--1 is a kind of smooth dogfish
--1 is a member of Triaenodon, genus Triaenodon - whitetip shark, oceanic whitetip shark, white-tipped shark, Carcharinus longimanus - large deep-water shark with white-tipped dorsal fin; worldwide distribution; most dangerous shark
--2 is a kind of requiem shark
--2 is a member of Carcharhinus, genus Carcharhinus