Dragon Ball's Commander Red Saga finishes Goku's fight against his long-time antagonists – the Red Ribbon Army.

However, some dragon fish have rapidly evolved from blue-light sensitivity to red-light sensitivity, and then back to blue again. The deep sea is not the sort of environment that would appear to ...

In this shot, a red betta appears to become a bird of paradise. Siamese fighting fish evolved to tolerate stagnant or slow-moving water systems, where the oxygen is low. As a result, they can ...