Whale sharks grow to 18 metres long, weigh 19,000 kilogrammes, and live 70 to 130 years.
Hawksbill sea turtles have beautiful gold and brown striped shells (known as tortoiseshell).
Hawksbill sea turtle
Sea otters are one of the tiniest marine mammals on earth. They eat sea urchins, which helps kelp forests grow.
Whales are among the world's most persecuted marine animals. Their blubber and oil are overhunted.
Irrawaddy, Ganges, Amazon, and Yangtze river dolphins are all critically endangered.
Manatees have short snouts and thick bodies, making them goofy. Sea cows aren't plump; their enormous bodies are crammed with organs.
This species of South American penguin lives 15 to 20 years in the wild. One of rare creatures that mates for life.
Hawaiian monk seal is one of two native Hawaiian animals (along with the Hawaiian hoary bat).
Hawaiian monk seal
Kemp's Ridley is the world's tiniest, rarest, and most endangered sea turtle.
Kemp’s Ridley sea turtle