Cuttlefish are found in oceans all over the world. Their typical habitats are shallow reefs. However, some cuttlefish are found in depths of up to 650 feet.
Cuttlefish feed on mollusks and crustaceans, such as shrimp and crab. Adults are 20 to 30 inches long and weigh up to 11 pounds. These fish have an unusual characteristic: they change the tone and pattern of their skin to match their surroundings. This camouflage protects them from predators. It also helps smaller males hide from larger ones, giving the underdog a chance to mate. The fish also protect themselves by squirting brownish ink at predators.Learn More
The 114 species of butterflyfish live along the reefs of tropical coastal waters throughout the world. During the day, they are spotted along coral and other rock structures in search or worms and other invertebrates, retiring to reef crevices at night.Full Answer >
Krill live in all the oceans of the world, the most abundant of which is Antarctic krill. This species, found in the Southern Ocean, has an accumulated weight of between 125 million to 6 billion tons.Full Answer >
Beluga whales are commonly found in the coastal waters of the Arctic Ocean. However, beluga whales have also been known to live in sub-arctic waters.Full Answer >
Orcas, or killer whales, are most commonly found in coastal waters less than 200 meters deep. The top 200 meters of ocean are known as the epipelagic, or sunlight, zone because the sun's light is able to penetrate into this zone.Full Answer >