Marine Life Encyclopedia | Oceana
WEBOceana International Headquarters 1025 Connecticut Avenue, Suite 200 Washington, DC 20036 USA. General Inquiries +1(202)-833-3900 info@oceana.org. Donation Inquiries
Ocean Fishes | Oceana
WEBOceana International Headquarters 1025 Connecticut Avenue, Suite 200 Washington, DC 20036 USA. General Inquiries +1(202)-833-3900 info@oceana.org. Donation Inquiries
Lion's Mane Jellyfish - Oceana
WEBThe lion’s mane jellyfish cannot be missed in the open ocean where it prefers to float about. With tentacles up to 120 feet long, some individuals even rival in size the blue whale, the largest animal in the world. Most lion’s mane jellyfish live in the Arctic and North Pacific Ocean from Alaska to Washington where the waters are cool.
Saltwater Crocodile - Oceana
WEB1. Saltwater crocodiles are the largest crocodile species in the world, and the largest living reptile in the world. 2. Male saltwater crocodiles have been recorded at lengths of 23 feet (7 m) and weights of 2,205 pounds (1,000 kg). Females are much smaller, growing to be about 10 feet (3 m) long and weighing 330 pounds (150 kg).
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.
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).
Blue Glaucus - Oceana
WEBThe blue glaucus, which is also called the blue dragon, sea swallow, or blue angel, is a brightly colored nudibranch, commonly known as sea slugs. Found throughout the Atlantic, Pacific, and Indian Oceans in tropical and subtropical waters, the blue glaucus grows up to 1.2 inches (3 cm) long. These tiny sea slugs spend most of their lives ...
Whale Shark - Oceana
WEBWhale sharks are highly migratory animals and are found through all tropical and warm temperate seas, apart from the Mediterranean. Despite their large size, whale sharks are filter feeders and feed on tiny prey such as plankton, small crustaceans, and schooling fish. A five-foot wide mouth with filtering pads inside allows whale sharks to feed ...
Crown-of-thorns Starfish - Oceana
WEBThe guard crabs (genus Trapezia) live amongst the branches of cauliflower corals and other branching corals and are known to defend their home colonies from crown-of-thorns starfish that are trying to feed on them. The crabs pinch the starfish’s tube feet or even its stomach lining. Through this symbiosis, the crabs protect the coral colony ...
Colossal Squid - Oceana
WEBThe colossal squid is a massive squid that lives in the deep sea surrounding Antarctica, and it is the holder of multiple records. Not only is it the largest invertebrate on Earth, it also has the largest eyes of any animal, larger even than those of the great whales. Human knowledge of the colossal squid is based on very few specimens that ...