Dermochelys coriacea, also known as the leatherback sea turtle, is a critically endangered species and the largest among all living turtles. Synonyms for this majestic creature include the lute turtle, leathery turtle, and trunk turtle. These synonyms are derived from the turtle's thick, durable and leathery skin, which helps it to withstand the harsh oceanic environment. The leatherback sea turtle is a fascinating creature, with its unique physical attributes and behavior, such as its impressive diving ability and its remarkable migration patterns. Despite its endangered status, conservation efforts are being made to improve its chances of survival, so that future generations can continue to enjoy its magnificent presence in the seas.