What appears to be a bright, bubble gum-hued koi fish has been spotted swimming among the stars in space. The European Southern Observatory's (ESO) VLT Survey Telescope (VLT) recently captured a ...

Schools of playful, graphic koi fish swimming through our urban landscape. Music begins Layf Kutschera: Maybe the first one I saw was near my house. I’ve lived in two places in San Francisco, and both ...

Koi betta fish were bred from marble bettas for an even more distinct ... A filter can help you keep the water clean, but make sure it’s not too strong. Koi bettas may struggle to swim in tanks with a ...

Koi fish are not native to Oklahoma, but the Will Rogers Gardens will welcome one to the neighborhood after OKC's fisheries team found one swimming through town. The shocking discovery came after ...

Chinese breeders of "nishikigoi" carp displayed varieties of the multicolored ornamental fish at a recent competition in southern China. The breed, commonly known as "koi", are regarded as symbols of ...