The longest-living goldfish on record was 43 years old ... the outside of the tank, and any rocks or plants you stick in the tank for decoration. You can also buy commercially sold bacteria ...

If you can no longer care for a live goldfish, the United States Fish & Wildlife Service recommends trying to find another ...

In Presque Isle, Pennsylvania, a giant goldfish was caught during an electrofishing survey. It serves as a reminder of why [… ...

These big fish are also big eaters, feeding on plants, insects ... there are other reasons you should keep that goldfish in its tank. More from Science Goldfish may look small and cute in your ...

First comes the making of the aquarium and the plants which are most suitable for it; following this there are chapters on goldfish, cold-water fish and tropical fish, with notes on the habits ...

A "megalodon" goldfish caught in Pennsylvania is a good reminder of why people shouldn't release their pets into the wild ...