Surinam toad (babysitter frog)

Japanese: コモリガエル(子守蛙) - コモリガエル（英語表記）Surinam toad

Also known as Pipa. A frog of the Pipa family (illustration) known for the unusual habit of females carrying eggs on their backs and raising them. It is found in the Orinoco and Amazon river systems in northeastern South America and is a fully aquatic species. It is 12-20cm long, with a triangular head and flat body, and numerous small tufts, so that when it lies on the bottom of the water it looks like a large dead leaf submerged. It has a large mouth and protruding, degenerate, and extremely small eyes. It has star-shaped sensory organs on the tips of its forelimbs and several lateral lines along its back.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

別名ピパ。雌が卵を背負って保護しながら育てる変わった習性で知られるピパ科のカエル（イラスト）。南アメリカ北東部のオリノコ･アマゾン水系等に分布し，完全な水生種。体長12～20cm，三角形の頭部も胴も扁平で，多数の小さな房状突起があり，水底に横たわるとまるで大きな枯葉が沈んでいるように見える。口は大きく，突出した眼は退化的できわめて小さい。前肢の指先に星形の感覚器官があり，背面には数条の側線が並んでいる。

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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