Fish tanks add ... varying prices. A goldfish may cost a few dollars while Clarion angelfish are worth thousands. Fish-keeping is not the cheapest hobby, but the initial set-up is the most ...

Besides causing fiscal and environmental disasters there are other reasons you should keep that goldfish in its tank. More from Science Goldfish may look small and cute in your home, but in the ...

Photgraph by Matt Basista/USFWS Thinking about freeing your pet goldfish from their tank and letting them loose in a local pond or lake? Please don’t, begs the U.S. Fish and Wildlife Service ...

A special 360-degree video camera system was set up ... goldfish swimming in groups,” said Tomoo Unagami, 30, a head keeper at the park. Having active goldfish and poor swimmers in the same tank ...