A general term for four species of mammals in the Lobodontini tribe of the Phocidae family in the Antarctic Ocean: the crabeater seal ( Lobodon carcinophagus ), the Weddell seal (Leptonychotes weddelli) , the leopard seal (Hydrurga leptonyx) , and the Ross's seal (Ommatophoca rossi) . Classified as similar to the monk seal, all four species are large and numerous. All four species are found in the sea ice area surrounding the Antarctic continent. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
鰭脚(ききやく)目アザラシ科Lobodontini族の哺乳類で,南極海に分布するカニクイアザラシLobodon carcinophagusをはじめ,ウェッデルアザラシLeptonychotes weddelli,ヒョウアザラシHydrurga leptonyx,ロスアザラシOmmatophoca rossiの4種の総称。分類的には4種ともモンクアザラシに近い。大型で,生息数が多い。4種とも南極大陸を取り囲む海氷域に分布する。
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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