A crab that almost glows with color The rainbow land crab is especially bright when young or after molting, with a bluish shell and orange legs. Read more
Sceloporus cyanogenys rivalry Male Sceloporus cyanogenys use head movements, body flattening and their blue belly to signal dominance during rivalry. Read more
Siamese fighting fish: colours, rivalry and remarkable adaptations The spectacular colours and fin shapes of domestic Siamese fighting fish are the result of generations of selective breeding. Read more