The tiny sea sapphire has hexagonal guanine crystals embedded in the segments of its shell. They reflect the surrounding light in splashes of vibrant color. But you can enjoy its beauty for only a moment. When it reflect...

Photo: Australian Center for Evolutionary Biology...  ...ch they live. Above is an amphipod, a shrimp-like crustacean . Of the water-dwelling creatures found, crustaceans represented about seventy-five percent of the new...  ...bration and chemical senses.Above is captioned: a crustacean...