Sealife

White whales and their trainers present a show for visitors at Harbin Pole Aquarium in Harbin, China.

Lintao Zhang/Getty Images

White whales perform with their trainers at Harbin Pole Aquarium in Harbin, China.

Cassiopea ornata jellyfish are seen in the Enoshima Aquarium in Fujisawa, south west of Tokyo, Japan. The aquarium displays various jellyfishes as its key feature.

Kimimasa Mayama/EPA

Cassiopea ornata jellyfish are seen in the Enoshima Aquarium in Fujisawa, southwest of Tokyo, Japan. The aquarium displays various jellyfishes as its key feature.