Marine Life Encyclopedia | Oceana
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Oceana | Protecting the World's Oceans
WEBSave the Oceans, Feed the World. We are restoring the world’s wild fish populations to serve as a sustainable source of protein for people. Working to protect and restore our oceans, Oceana is the largest international advocacy organization dedicated solely to ocean conservation. Learn more and get involved.
Deep Sea Anglerfish - Oceana
WEBThe deep sea anglerfish’s lure is filled with bacteria that make their own light. Using a muscular skin flap, a deep sea anglerfish can either hide or reveal its lighted lure. By pulsing the light and moving the lure back and forth, they successfully attract pelagic crustaceans, fishes, and other prey. The lure is also used to attract a mate.
Ocean Fishes | Oceana
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Great Hammerhead Shark - Oceana
WEBThe great hammerhead shark is the largest of all nine hammerhead species, reaching an average length of 13.1 feet (4 m) and weight of 500 pounds (230 kg). The longest great hammerhead shark ever recorded was 20 feet (6.1 m) long, and the heaviest great hammerhead shark ever recorded was 991 pounds (450 kg).
Atlantic Bluefin Tuna - Oceana
WEBAtlantic bluefin tuna are the largest tuna species. The western Atlantic stock reaches a maximum length of 13 (4 m) feet and weight of 2,000 pounds (907 kg), 1 while the eastern Atlantic stock reaches a maximum length of 15 feet (4.6 m). 2. 2. Atlantic bluefin tuna can live for 35 years, possibly longer. 2. 3.
Open Ocean | Oceana
WEBFun Facts About the Open Ocean. 1. Oceans cover more than 70 percent of the Earth’s surface, and half of those waters are at least 1.86 miles (3 km) deep. 2. As far as we know, the ocean is 36,200 feet (11,000 m or almost 7 miles) deep at its deepest point. On average, the ocean is about 12,100 feet (3,688 m) deep. 1. 3.
Hawksbill Turtle - Oceana
WEB2. Hawksbill turtles are up to 45 inches (114 cm) long and weigh 110 to 150 pounds (50 to 68 kg). 2. 3. Female hawksbill turtles return to the same nesting grounds where they were born to lay their eggs. 3. 4. Hawksbill turtles can be found in the coastal waters of more than 108 countries. 5. Hawksbill turtles help keep reefs healthy by feeding ...
Beluga Whale - Oceana
WEBFun Facts About Beluga Whales. 1. Beluga whales grow up to 16 feet (4.8 m) long and weigh 3,150 pounds (1.4 metric tons) on average. 2. Beluga whales can live up to 50 years. 3. Beluga whales are born dark gray and get lighter as they age, eventually becoming white once they’ve reached sexual maturity. 4.
White Shark - Oceana
WEBKnown more commonly as the great white shark, this is one of the largest species of sharks with an estimated maximum length of 20 feet (6.1 m), weighing over 4,000 pounds (1,814 kg) fully grown. Like other “mackerel sharks,” the white shark has a torpedo-shaped body and a crescent-shaped caudal fin. They are highly migratory animals, with ...