From Mail Online:
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.
The four whale sharks at Churaumi move around comfortably – swimming diagonally past each other and feeding with their long tails touching the plethora of colourful corals at the bottom of the tank.
Rather than hand-pick fish from around the world and force them to mix in unfamiliar waters, the emphasis in the Kuroshio Sea tank is placed on local sea life.
All the species housed here can be found thriving around Okinawa – and even the water itself is pumped in from 300 metres offshore
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