The aquarium has announced a first artificial insemination breeding of the Southern rockhopper penguin. Osaka aquarium boasts first successful artificial insemination of endangered penguin | The Japan Times
After 3 years being kept at the Aquarium Whale shark Kai is to be released into the wild. After the release, scientists will follow the movements of Kai by transmitters to learn more anout Whale shark migratory : Osaka aquarium to release its popular whale shark into the Pacific for research purposes - The Mainichi
The hydrozoan species Aequorea macrodactyla is now on display. https://twitter.com/Osaka_Kaiyukan/status/1625780451041488896