In the animal world, power is a question of colour

By Peter Spinks
Updated October 19 2015 - 10:18am, first published October 7 2015 - 3:34pm
Colour may denote power.
Colour may denote power.

In Nicaragua, the Central American country famed for its lakes and volcanoes, the crystal-clear crater-lakes abound with freshwater fish of all shapes and sizes.