Marine World Uminonakamichi is a Japanese dolphinarium that has been in business for over 30 years. Aside from dolphins, they house multiple species of pinnipeds, 20 species of sharks, and a variety of marine life.
At least 13 finless porpoises have died in their tanks, some after just a matter of days. Source
There were originally 2 pilot whales (as of 2006) but one appears to have died or possibly been transferred as only one remains at the park. Source
The pilot whale that resides there currently (Yuki) is estimated to be around 30 years old. Source
Taiji Affiliation? Yes, but ceased purchasing after the Japanese Association of Zoos And Aquariums (JAZA) ban.
What can you do?
Knowledge is power and a lot of people would not be attending and purchasing tickets to these places if they knew what was going behind closed doors. You can reach millions on social media! Don't let a language barrier stop you! You can copy and paste the following phrases to their guests on their social media accounts linked below.
水族館でイルカショーを見る前に「ザ・コーヴ」を見てください (Please watch The Cove before buying a ticket to dolphinariums)
動物は自然界で生きるべきです (Animals belong in the wild)
You can also comment with the link DOLPHINFRIENDS.JP! It links to The Cove in Japanese!
TAKE TO SOCIAL MEDIA!