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Pomacea urceus : ウィキペディア英語版 | Pomacea urceus
''Pomacea urceus'' is a species of freshwater gastropod in the family Ampullariidae, native to South America. It is a particularly large species of ''Pomacea'', some specimens of which have been measured 115 mm in height. The eggs of ''Pomacea urceus'' vary in color from pale green to orange. Eggs are placed between the undersurface of the operculum and the aperture of the female when she estivates after the mating season. == References ==
* Perera, Dr. Gloria and Walls, Jerry G (1996) Apple Snails in the Aquarium, T.F.H. Publications Inc. (55-56)
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pomacea urceus」の詳細全文を読む
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