A general term for the genus Protopterus of the family Protopteridae of the order Pulmonatii of the class Osteichthyes. African lungfish. There are six species in three families and three genera of extant lungfish, of which four species belong to the African genus Protopterus, and these one genus and four species make up the family Protopteridae. They have adapted to dry climates, digging holes in the mud and hibernating there during dry periods. [Taki Yasuhiko] [Reference] |© Tadaaki Ohkata "> Major species of lungfish (specimen illustrations) Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
硬骨魚綱肺魚目プロトプテルス科のプロトプテルス属Protopterusの総称。アフリカ産肺魚類。現生の肺魚類には3科3属6種があるが、そのうち4種までがアフリカ産のプロトプテルス属に入り、この1属4種でプロトプテルス科を構成する。乾燥気候への適応を示し、渇水期には泥中に穴を掘ってその中で休眠する。 [多紀保彦] [参照項目] |©大片忠明"> 肺魚のおもな種類〔標本画〕 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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