Fish tanks add so much character to a home. Many people find it fascinating to observe their pet fish go about their daily ...

But in your home tank, there's no bacteria to be found. You have to introduce it, and that's where a lot of goldfish owners slip up because you can't just buy a fish the same day you get your tank.

The Department of Fish and Wildlife thinks that a few irresponsible ... there are other reasons you should keep that goldfish in its tank. More from Science Goldfish may look small and cute ...

The aquarium boasts 5,000 goldfish of 100 species swimming in about 160 fish tanks illuminated in various shades. While a 10-meter-long expanse is packed with lanterns, other areas are decorated ...