Koi are actually a type of carp, and today they're some of the most expensive pet fish in the world. But why? Koi were originally raised in Japan in the 1700s when rice farmers first began ...

Anglers at the lake pay into a pot for those who capture the largest specimens, with the amounts gradually building if they ...

Koi carp are one of the most iconic ornamental fish in the world. Originally hailing from Japan, these beautiful fish have ...

Koi are actually a type of carp, and today they're some of the most expensive pet fish in the world. But why? Koi were originally raised in Japan in the 1700s when rice farmers first began ...

Multiple species of invasive Asian carp could wreck the Great Lakes. Trump memorandum commits federal government to action, urges states to move ahead.