...There are 53 species of sea snakes in 15 genera that live in the warm waters of the Persian Gulf, the Indian Ocean, the Western Pacific, and Oceania, with some reaching the Pacific coast of Central America. In Japan, nine species and subspecies have been recorded off the coast of the Ryukyu Islands, including the black-headed sea snake Hydrophis melanocephalus (total length 1.2m) and the Iijima sea snake Emydocephalus annulatus iijimae (total length 0.8m). All of them live in the sea, except for one species, the Bonbon sea snake H. semperi (total length 1.2m, thought to be a landlocked form of the black-headed sea snake), which lives in the freshwater of Lake Taal on the island of Luzon. *Some of the terminology that refers to the Iijima sea snake is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ウミヘビ類は15属53種がペルシア湾,インド洋から西太平洋,オセアニアの暖かい海域に分布し,一部が中央アメリカの太平洋沿岸に達している。日本では南西諸島沿岸にクロガシラウミヘビHydrophis melanocephalus(全長1.2m),イイジマウミヘビEmydocephalus annulatus iijimae(全長0.8m)など9種・亜種が記録されている。ボンボンウミヘビH.semperi(全長1.2m,クロガシラウミヘビの陸封型とも考えられている)1種がルソン島のタール湖の淡水に生息するほかは,すべて海にすむ。… ※「イイジマウミヘビ」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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