“We let the water circulate for a week, then we slowly add in the koi,” he says. They typically come in transparent bags and ...

Did you know some species of pet fish can live as long, if not longer, than dogs and cats? Learn how this wonderful species lives so long, and how.

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.

Koi fish are popular in Lillian's work because ... They are meticulous paintings cast in resin. These realistic aquarium scenes are painted and poured by hand, layer by layer.