In fact, goldfish are actually an incredibly diverse, hardy, and large species of fish that can live quite a long time. There ...

Some goldfish breeds sport the standard gold coloration and typical fish characteristics, ... There are several different types of electric mechanical filters, including air-driven, internal, ...

In a peer-reviewed study published in December, scientists aimed to do just that by training goldfish to drive a "fish-operated vehicle," or FOV, to study the navigating mechanisms of the species.

Different breeds of fish aren’t always compatible. Talk to your vet or pet store before introducing new fish to a tank. In fact, it’s a good idea to keep new fish separated for a few days to a ...