Goldfish At that time, a Goldfish named "GOLDIE", kept as a pet in a tank Folk-e-stone, England, was measured as 15-inches (0.91~cm) and named as a second largest in the world behind the Netherlands fish. In the wild, the diet of goldfish consists of insects, crustaceans and various plants matter, most fishes they are opportunistic feeders and don't stop eating on their own kind. |