This all goes into what’s best for you and the fish and an aquarium filter pad is an excellent piece of equipment you need. ... 5 Best Aquarium Filter Pads: AquaFlo, Koi Ponds, more .

S Legend Koi fish sold for a worth millions. According to A-Z-Animals reports, in October 2018, S Legend, a Kohaku variety, brought in a whopping $1.8 million.

A Bed-Stuy fire-hydrant-fueled street aquarium that went viral on social media was forced to close due to frigid temperatures and snow — but organizers claim the fish are alive and swimming i… ...

If the fish is an adult koi, it's a relatively small one, Cohen said. Koi can grow to be up to three feet, according to the Smithsonian's National Zoo and Conservation Biology Institute.

Ozzie Albies notices Atlanta Braves logo on one of his pet koi fish. On January 26, three-time All-Star Ozzie Albies took to Instagram to post a video, as the peculiar scales of one of his koi ...