Blue frogs

Blue frogs

OITA, Japan - Photo shows two blue tree frogs that were put on display at the Oita Marine Palace Aquarium Umitamago in the city of Oita, southwestern Japan, on May 28, 2013. The aquarium said the frogs, usually green, lack a yellow pigment due to a mutation.

Blue frogs

Blue frogs

OITA, Japan - Photo shows one of the two blue tree frogs that were put on display at the Oita Marine Palace Aquarium Umitamago in the city of Oita, southwestern Japan, on May 28, 2013. The aquarium said the frogs, usually green, lack a yellow pigment due to a mutation.

Blue frogs

Blue frogs

OITA, Japan - Photo shows two blue tree frogs that were put on display at the Oita Marine Palace Aquarium Umitamago in the city of Oita, southwestern Japan, on May 28, 2013. The aquarium said the frogs, usually green, lack a yellow pigment due to a mutation.

Blue frogs

Blue frogs

OITA, Japan - Photo shows one of the two blue tree frogs that were put on display at the Oita Marine Palace Aquarium Umitamago in the city of Oita, southwestern Japan, on May 28, 2013. The aquarium said the frogs, usually green, lack a yellow pigment due to a mutation.

Aquarium allows visitors to play with dolphins

Aquarium allows visitors to play with dolphins

Photo taken May 26, 2015, shows visitors to an aquarium in the southwestern Japan city of Oita playing with a dolphin. The aquarium, Umitamago (sea egg), has opened a beach where visitors can get close up to dolphins. (Kyodo) ==Kyodo

Aquarium allows visitors to play with dolphins

Aquarium allows visitors to play with dolphins

Photo taken May 26, 2015, shows visitors to an aquarium in the southwestern Japan city of Oita playing with a dolphin. The aquarium, Umitamago (sea egg), has opened a beach where visitors can get close up to dolphins. (Kyodo) ==Kyodo

Dolphin at southwestern Japan aquarium

Dolphin at southwestern Japan aquarium

Photo taken Oct. 6, 2020, shows a long-beaked common dolphin at the Umitamago aquarium in Oita, southwestern Japan. The female dolphin named Haruka has been kept at the aquarium since she was sheltered after being entangled in fishing nets in February 2008.

Dolphin at southwestern Japan aquarium

Dolphin at southwestern Japan aquarium

Photo taken Oct. 6, 2020, shows a long-beaked common dolphin at the Umitamago aquarium in Oita, southwestern Japan. The female dolphin named Haruka has been kept at the aquarium since she was sheltered after being entangled in fishing nets in February 2008.