World Biggest Fish Tank

Hi readers,

If you wanted to visit the world’s largest fish tank, you’d have to go to Okinawa, Japan, home of the “Kuroshio Sea,” otherwise known as the Churaumi Aquarium. Their fish tank is so humongous, it holds four whale sharks – the biggest fish alive!

Not only is the local sea life that’s housed in the tank beautiful to look at, but the observation window at the Churaumi is a marvel on its own. The acrylic-resin window clocks in at 26 feet high by 73 feet wide, and almost two feet thick in order to hold the pressure of the water which is pumped in from 300 feet offshore. Don’t the people in this picture look like fish food compared to these massive sea creatures!?

A giant whale shark behind the world’s largest acrylic panel at Churaumi Aquarium in Okinawa

It holds a staggering 7,500 tonnes of water, roughly equal to three Olympic-sized swimming pools. Eighty species live in the Kuroshio Sea tank, including yellow-fin tuna, bonito (a type of large mackerel) and manta rays. But the daddy of them all is the world’s biggest fish, the whale shark, which can grow to be 12 metres long and needs a quarter of a tonne of food every week. Only three aquariums in the world have tanks large enough to house these giant creatures.

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