When Dashi is accidentally swallowed by a whale shark, the Octonauts venture inside the huge fish to rescue her. Barnacles and Kwazii investigate a disruption on a nearby reef - a Carrier Crab and the ...

Whale sharks (Rhincodon typus)—the world's biggest fish—are one of the most charismatic marine species. They connect with the hearts of anyone lucky enough to encounter them, making people deeply ...