The prefecture is the origin of ornamental koi carp, or nishikigoi ... converted into high-quality, palatable fish feed,” says Takahiro Watari, an environmental engineer at Nagaoka University ...
The Oregon Department of Fish and Wildlife has removed an invasive koi fish from the McKenzie River near Eugene. The fish was fish spotted Dec. 18 near the Armitage Boat Landing. The large koi was ...
designed specifically for koi fish. Viewers will learn step-by-step how to create a beautiful and functional aquatic environment, perfect for enhancing any outdoor space. From materials to ...