Will Koi Fish Eat Goldfish?
Will Koi Fish Eat Goldfish? Koi could eat small goldfish but it’s not all bad news as they most likely won’t, also there’s plenty of other species that will also happily share a pond. What fish can be kept with koi? 1) Goldfish (Carassius auratus) 2) Grass carp (Ctenopharyngodon idella) 3) Suckermouth catfish (Hypostomus plecostomus)