[["There are many ways to tell the two apart, but the easiest way is to look for \u201cbarbels\u201d or \u201cwhiskers\u201d near the mouth. Koi will have these barbels on the lips, while goldfish will not. Also, goldfish tend to be much smaller and exhibit more variety in body shape than koi.", 46.0], ["Goldfish are a freshwater species - Carassius auratus - often kept as pets in an aquarium; there are many varieties of goldfish that were bred over centuries from the Prussian carp. Koi, are more closely related to the original Prussian carp, and are typically kept in outdoor ponds.", 7.0]]
what's the difference between a goldfish and a koi fish
animals,fish,goldfish