sea snake

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sea snake,

name for any of the venomous marine snakessnake,
common name for an elongated, limbless reptile of the order Squamata, which also includes the xlizards. Most snakes live on the ground, but some are burrowers, arboreal, or aquatic; one group is exclusively marine. In temperate climates they hibernate.
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 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 tail is used as a scull. A specialized lung and nostrils with valves enable it to remain submerged for periods of up to 8 hr. Most species are dark above and lighter below, or ringed with black and grayish green. They feed on small fish and are preyed upon by sea birds, sharks, and larger fish. Their potent venom quickly immobilizes their prey; however, they are not aggressive and rarely strike at humans when caught. Most sea snakes are completely marine and lack the enlarged ventral scales that enable land snakes to grip the ground. These snakes bear live young at sea. Most inhabit the shallow waters of the Indonesian region, but the common sea snake, Pelamis platurus, ranges from Madagascar E to Mexico and is sometimes found swarming by the thousands in open ocean. It is black or dark brown above and yellow below and grows up to 3 ft (90 cm) long. A few sea snake species leave the water to lay eggs on coral reefs. These snakes have ventral plates like those of land snakes. Sea snakes are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Reptilia, order Squamata, family Hydrophidae.
References in periodicals archive ?
Edinburgh's Pelamis Wave Power will use their Sea Snake devices - huge floating booms harnessed to a "socket" on the seabed - to convert the force of the waves into electricity.
There are over 65 species of sea snakes in the tropical waters of the Southern Hemisphere, ranging from Africa to the Gulf of Panama.
They are embodied, in embryo, in the Mariner's luminous encounter with the sea snakes, whether Coleridge was fully conscious of it or not (and Coleridge, we should remember, was a pioneering thinker in regards to the workings of the unconscious).
Hence the species on page 156 is the Yellow Sea Snake and not the Short Sea Snake described on the facing page.
It's the Laocoon, Harry Potter--style: Just as the Trojan priest was attacked by sea snakes as punishment for correctly predicting the future, so this wizard seems to have been hoisted by his own starry petard.
He retains a real delight in academic inquiry, taking a copy of his PhD thesis on sea snakes off a shelf for me to peruse, but clearly has real commercial nous.
During the trip, by pedal boat, kayak and bicycle, they could encounter sharks, sea snakes, salt water crocodiles and tigers, as well as pirates, and face the threat of disease.
Although sea snakes pack a nasty venomous punch, they tend to avoid people, and anyway their mouths are too small to bite a human other than on the webbing between fingers and toes, so you needn't worry.
Whole-body reconstructions of this species often depict it with a compressed paddle-like tail as seen in Recent sea snakes of the family Hydrophiidae (e.
Inclusion of exotic subjects, such as treatment of bites by sea snakes and scorpions and attacks by large animals, makes for interesting reading.
SEA SNAKES are just one of hundreds of by-catch species caught by trawlers in Australia's Northern Prawn Fishery (NPF).
Ligitan itself is a coral island, where many sea snakes can be found.