Frogfish are bright yellow with red patterns, yet they can change colors to blend in. These unusual creatures seek to remain unnoticed.
Sea pens are colonies of tentacled polyps that resemble quill pens. They anchor to the seafloor and have the ability to withdraw to an anchoring bulb.
Seadevils are two-foot-long fish that nest on sea floors up to a mile deep off the coast of California, with males defending eggs.
Galapagos batfish entice prey with their crimson lips and fins and may "walk" on the seafloor. Their retractable nose aids in food capture.
Giant spider crabs from Japan can grow to be 12 feet long and can forage at depths of up to 1,000 feet.
Live in the dark depths of the ocean, have large eyes for their small size. They are capable of surviving in low-oxygen settings.
Leafy seadragons navigate across water using fins that resemble leaves and mimic drifting seaweed. They live on Australia's southwest coast.
Crab with fur on its long claws discovered on a hydrothermal vent 5000 feet deep on Easter Island. It is most likely blind and employs microbes to cleanse food.
Strange arthropod organisms discovered among coral rubble in Western Australia. Their function is unknown, but their look is unusual.