…Three species of sirens are found in the southeastern United States. The siren, Siren lacertina (illustration), is also known as the great siren, and is large, with a total length of 50 to 98 cm, a thick eel-shaped body, and fin-like upper and lower edges of the tail. It never loses its three pairs of external gills throughout its life, and lives in freshwater areas with many aquatic plants, such as rivers, swamps, and ponds. … *Some of the terminology that mentions "Siren lacertina" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…サイレン類は3種がアメリカ合衆国南東部に分布する。サイレンSiren lacertina(イラスト)はオオサイレンとも呼ばれるように大型で,全長50~98cm,胴は太いウナギ形で,尾部の上下の縁はひれ状となる。一生3対の外鰓を失わず,川,沼,池の水生植物の多い淡水にすむ。… ※「Siren lacertina」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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