These big fish are also big eaters ... of Fish and Wildlife thinks that a few irresponsible pet owners are to blame. And while the goldfish may have cost the owners a few dollars, this mess ...

Once you have a big, detoxified tank ... and even the 10-gallon tank you see in every pet store won't cut it. A single adult goldfish needs at least twice that much water to thrive.

Dumping a couple of unwanted pet goldfish in a lake may not sound like a big deal but two can quickly turn into two thousand and once goldfish are introduced, it's very difficult to get rid of ...

Beautiful colorful craps (koi fish) pop up to breathe, in the... Beautiful colorful craps (koi fish) pop up to breathe, in the pond Beautiful colorful craps (koi fish) pop up to breathe, in the pond ...

Fishbowl aquarium in flat style. Vector stock goldfish bowl cartoons stock illustrations Empty fishbowl with water isolated on white background. Empty fishbowl with water isolated on white background.