Sea turtles are extremely ill-adapted to cold water, so they only inhabit shallow waters at low latitudes, and never venture into the deep sea. They have two diving modes.
One is diving to sleep, where they can last a night with very low energy consumption.
The second is for foraging, where they can only burst into action for a few minutes, and if they don't come up for air within that time, they would suffocate.... Compared to many other marine creatures, they are significantly less capable.
Unlike other sea turtles, however, the leatherback turtle is a bit different, as it seemingly has all its skill points allocated in reverse.
They lack a hard shell, but their flesh is exceptionally fatty, which ensures they can adapt to water temperatures between 5 and 38 degrees Celsius.
Moreover, leatherbacks are skilled divers, capable of diving up to 1,200 meters deep. Compared to other members of the sea turtle family, they also have a more varied diet.