In ancient Greece, killing a dolphin was held to be as serious an offense as killing a man. And in the French royal court, the heir to the throne was honored with the name "Dauphin" (dolphin).
古希臘人認為殺害海豚和謀害人命同罪，而法國王室的傳統，國王的長子都被授與「海豚」的封號，成為「海豚王子」。