To build a home, they use their raptor-like front arm to dig burrows on the seabed surrounding a coral reef ... peacock mantis shrimp have rainbow shells—usually blue, green, and yellow ...

Teeming with life, a healthy coral reef is one of the noisiest places ... The sound is so loud, the snapping shrimp competes with much larger creatures, such as the blue whale, to be the loudest ...

blue and red, per The Guardian. A diverse ecosystem that includes fish, shrimp and crab call this coral home. It is certainly a surprise that no other scientists or groups of divers have come ...