That might help explain why goldfish in healthy environments can reach the size of an American football, while your last goldfish wasn't much bigger than your index finger. Once you have a big ...

That might help explain why goldfish in healthy environments can reach the size of an American football, while your last goldfish wasn't much bigger than your index finger. Once you have a big ...

The lifespan of fairground fish is believed by many to be not very long, though plenty of fish have defied the odds and gone on to live long, happy and healthy lives. These goldfish have survived ...