Betta fish, also called Siamese fighting ... Wild Siamese fighting fish have a dull green coloration and short fins, which they flash to attract mates and ward off predators, such as salamanders ...

The natural world is full of bright surprises, like these amphibian, insect, avian—and even mammal—species Why are some animals so colorful? The natural world brings so much joy and wonder to our ...

This dark green male was a challenge ... 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 ...