Megaleledone setebos, a shallow-water circum-Antarctic species from the Southern Ocean. It is the closest living relative to deep-sea octopuses. The specimen shown is a juvenile; adults reach a total length of nearly 1m.
PURPLE-STRIPED JELLY (Chrysaora colorata, formerly Pelagia colorata): (Juvenile) a species of jellyfish that exists primarily off the coast of California in Monterey Bay. The bell (body) can grow up to 3 feet, w/a radial pattern of stripes. The tentacles vary with the age of the individual, consisting typically of eight marginal long dark arms, and four central frilly oral arms. Its stinging tentacles are used to bring in mainly small prey, including zooplankton, larval fish, & fish eggs.
Pelagic Octopus ~ Photograph by Chris Newbert, Minden Pictures / A pelagic, or open-ocean, octopus gives off a neon glow in Hawaii. Most species of octopus have no internal skeleton, unlike other cephalopods.