Most of the sea turtles feed on crustaceans, but the green turtle is a vegetarian which only eats seaweed. It is because of their special diet that they have developed the slightly green hue for which they have gained their name.
大部分的海龜以甲殼類生物為食，但綠蠵龜是只吃海草的素食者，因此身體成微綠色得名。