Osaka Aquarium Kaiyukan is one of the largest aquariums in the world, located in Osaka, Japan. It features a unique design that allows visitors to explore various marine environments, showcasing over 15,000 sea creatures from the Pacific Rim. The main attraction is a massive central tank that houses a variety of species, including whale sharks, manta rays, and colorful tropical fish. The aquarium is divided into different zones, each representing a specific region of the Pacific Ocean. Visitors can enjoy interactive exhibits and educational programs that highlight marine conservation. Kaiyukan aims to inspire a deeper understanding of ocean life and the importance of protecting our seas.