Goldfish plants add a splash of color to any room. These tropical houseplants bloom in hues of bright oranges and fiery reds ...

Goldfish may look small and cute in your home ... These big fish are also big eaters, feeding on plants, insects, crustaceans, and other fish. But they're not just consuming what other fish ...

You see, goldfish waste contains toxins like ammonia ... the outside of the tank, and any rocks or plants you stick in the tank for decoration. You can also buy commercially sold bacteria cultures ...