Blue guppies tend to have differently colored ... They can be kept in groups in a single tank, or together with fish to create a colorful tank. The minimum size for shrimp is 5 gallons, though ...

color, and the size and placement of their spots. He began to see a strong correlation between where guppies lived in a particular stream and whether the fish were bright or drab. But what was ...

Choosing the best tropical fish for your freshwater aquarium can be quite a challenge, especially when you see the amazing variety of species on display at most respectable pet stores. One group ...

In the same pool you've placed about 30 rivulus, one of the least voracious of all guppy predators. These predator fish, which typically occupy the highest reaches of guppy streams, generally eat ...