Koi fish have got a lot going for them ... little ones can live comfortably in large indoor aquariums, but will eventually need to be transferred to a large pond. Koi aren't lightweights ...

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.

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.

They say if you love something, you should set it free. Unless the thing you love is a goldfish. Then the Minnesota DNR wants you to keep that thing on lock. Thousands of common carp in Waseca ...