YOKOHAMA, Japan - Sea otters are just like us. These otters in japan are celebrating valentine's day, too. At the Yokohama Hakkeijima Sea Paradise, it's become tradition for the otters to get heart-shaped treats. Yutan, a male sea otter, shows off for guests watching as he digs into his holiday treat. The sea otters at the aquarium are the only lucky ones to get this special treatment. Aquarium staffers say it's a fan favorite among visitors.