But for a fish that spends its life ... Look for color trends in the guppies. These may vary relative to the presence or absence of specific predator species in the pools.

Dwarf Gourami are the dwarf species of fish and are gentle in nature and have vibrant colors in their body. Guppy is one of ...

Known for their vibrant colors and flowing fins, bettas are low-maintenance and ideal for small tanks. Small and striking, ...

Not only have guppy numbers more than doubled under the relatively low level of predation, but also, after only four guppy generations, the percentages of drab males to bright males have evened ...