People watching fish swimming at the aquarium in Osaka, Japan

People watching fish swimming at the aquarium in Osaka, Japan in March 2015

Man feeding a dolphin at the aquarium in Osaka, Japan

Man feeding a dolphin at the aquarium in Osaka, Japan in March 2015

Divers in a tank at the aquarium in Osaka, Japan

Divers in a tank at the aquarium in Osaka, Japan in March 2015

Emperor penguins at the aquarium in Osaka, Japan

Emperor penguins at the aquarium in Osaka, Japan in March 2015

A capybara at the aquarium in Osaka, Japan

A capybara at the aquarium in Osaka, Japan in March 2015

A cute fish at the aquarium in Osaka, Japan

A cute fish at the aquarium in Osaka, Japan in March 2015

Visitors at the aquarium in Osaka, Japan

Visitors at the aquarium in Osaka, Japan in March 2015

Seals at the aquarium in Osaka, Japan

Seals at the aquarium in Osaka, Japan in March 2015

An otter at the aquarium in Osaka, Japan

An otter at the aquarium in Osaka, Japan in March 2015

Two children gazing at fish in a giant tank at the aquarium in Osaka, Japan

Two people gazing at fish in a giant tank at the aquarium in Osaka, Japan in March 2015

A shark at the aquarium in Osaka, Japan

A shark at the aquarium in Osaka, Japan in March 2015

A giant crab at the aquarium in Osaka, Japan

A giant crab at the aquarium in Osaka, Japan in March 2015

A turtle at the aquarium in Osaka, Japan

A turtle at the aquarium in Osaka, Japan in March 2015

Dolphins at the aquarium in Osaka, Japan

Dolphins at the aquarium in Osaka, Japan in March 2015

People taking pictures at the aquarium in Osaka, Japan

People taking pictures at the aquarium in Osaka, Japan in March 2015

Fish swimming at the aquarium in Osaka, Japan

Fish swimming at the aquarium in Osaka, Japan in March 2015

A big fish at the aquarium in Osaka, Japan

A big fish at the aquarium in Osaka, Japan in March 2015

Fish at the aquarium in Osaka, Japan

Fish at the aquarium in Osaka, Japan in March 2015

A whale shark at the aquarium in Osaka, Japan

A whale shark at the aquarium in Osaka, Japan in March 2015

Squid at the aquarium in Osaka, Japan

Squid at the aquarium in Osaka, Japan in March 2015