Peacock Mantis Shrimp- beautiful but deadly. These Mantis Shrimps can punch things with 1500N of force- more than enough to break a glass aquarium! Definitely wouldn't want to get into a fist fight with one of these voracious things...
A diver swims in the shadow of a 16-feet wide manta ray. Diver and professional photographer Franco Banfi snapped this in the water off the coast of the Socorro and San Benedicto Islands in the Pacific OceanPicture
Flaring the gills that give the species its name, a frilled shark swims at Japan's Awashima Marine Park on Sunday, January 21, 2007. Sightings of living frilled sharks are rare, because the fish generally remain thousands of feet beneath the water's surface.
Salpa Maggiore, New Zealand: This tunicate moves by pumping water through its body and has a complex life cycle living both solitary and as a chain of salps which swim and feed together. Picture: Conaugh Fraser / Caters http://en.wikipedia.org/wiki/Salp #Salp