All you need to do is provide plenty of hiding spaces in the tank to give the babies a fighting chance of survival until they are big enough to avoid being eaten by other fish. The Endler’s ...

Endler also observed differences in the distribution ... between where guppies lived in a particular stream and whether the fish were bright or drab. But what was responsible for these trends ...

who now make up more than 70 percent of the guppy population. Endler observed these trends in the headwater pools where there are relatively few predators.