Metachrosis: the secret of rapid color change Metachrosis is a rapid color change in animals, involving chromatophores and light-reflecting cell structures. Read more
Parental care in discus fish Discover the remarkable parental care of discus fish, from guarding eggs to feeding their fry with nutrient-rich skin mucus. Read more
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