There are about 580 types of marine lives in aqua world and especially it features the large number of sharks in japan.
“Dolphin and sea lion ocean live” is one of the most popular events, which takes place 4 times a day. With ocean in the background, you can enjoy dynamic performance of dolphins and sea lions.
http://database.ibarakiguide.jp/db_kanko/?type=en&detail&id=0800000000071