Anything strike you as special about this fish here? Well, it's worth 1.8 million dollars. It won grand champion at the All Japan Koi Show in 2017, and is the most expensive koi fish ever sold.

These polychromatic swimmers are definitely deserving of admiration. Koi fish have got a lot going for them. "[They are] not only a pet, but also art," says Taro Kodama, president of Kodama Koi Farm.

“Local buffet has what we call the koi ‘Saw’ trap,” one shared alongside the frightful image of a ground-level fish tank with a live power strip danging mere inches above the water.

Then the next layer of resin is poured, and the process is repeated multiple times. Koi fish are popular in Lillian's work because she took care of them for 12 years before painting them.

Among the most difficult to save are those that live in water. David and Jane Pierce have owned — and loved — these koi fish for 25 years.Credit...Stella Kalinina for The New York Times ...