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sea snake

(Encyclopedia)sea snake, name for any of the venomous marine snakes of the family Hydrophidae, found in tropical waters of the Indian and Pacific oceans. The sea snake's body is flattened laterally and its oarlike ...

tuna

(Encyclopedia)tuna or tunny, game and food fishes, the largest members of the family Scombridae (mackerel family) and closely related to the albacore and bonito. They have streamlined bodies with two fins, and five...

lamprey

(Encyclopedia)lamprey, name for several primitive marine and freshwater jawless fishes of the order Petromyzontiformes. As in the other jawless fish, the hagfish, the adult lamprey retains the notochord, the suppor...

platypus

(Encyclopedia)platypus plătˈəpəs [key], semiaquatic egg-laying mammal, Ornithorhynchus anatinus, of Tasmania and E Australia. Also called duckbill, or duckbilled platypus, it belongs to the order Monotremata (s...

fisheries

(Encyclopedia)fisheries. From earliest times and in practically all countries, fisheries have been of industrial and commercial importance. In the large N Atlantic fishing grounds off Newfoundland and Labrador, for...

Nasser, Lake

(Encyclopedia)Nasser, Lake, c.1,550 sq mi (4,010 sq km), on the Nile River, SE Egypt and N Sudan, known as Lake Nubia in Sudan. Created in the 1960s, it extends c.350 mi (560 km) behind Aswan High Dam, submerging t...

Avoca

(Encyclopedia)Avoca or Ovoca əvōˈkə [key], river, c.15 mi (24 km) long, formed by the union of the Avonmore and Avonbeg rivers, in Co. Wicklow, E Republic of Ireland. It flows SE to the Irish Sea at Arklow. The...

Liancourt Rocks

(Encyclopedia)Liancourt Rocks, Jap. Takeshima, Korean Dokdo or Tokdo, island group, 58 acres (23 hectares), in the SW Sea of Japan, roughly midway between the Japanese island of Honshu and the Korean peninsula. Con...

Louise, Lake

(Encyclopedia)Louise, Lake, 11⁄2 mi (2.4 km) long, alt. 5,680 ft (1,731 m), SW Alta., Canada, in the Rocky Mts., in Banff National Park. Noted for its scenic beauty, it is surrounded by high peaks, glaciers, and ...

Lancaster Sound

(Encyclopedia)Lancaster Sound, arm of Baffin Bay, c.200 mi (320 km) long and 40 mi (60 km) wide, Nunavut Territory, Canada. It extends west between Devon and Baffin islands and is part of the shortest water route ...