…They are hermaphrodites, but when they are small they are male and when they grow larger they tend to be female. The giant clam T. gigas is the largest bivalve in the world, with a shell length of 1.37m and a weight of 230kg. It usually grows to about 75cm in length and 45cm in height. … *Some of the terminology that mentions "giant clam" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…雌雄同体であるが,小さいときは雄で大きくなると雌の傾向が強くなる。 オオジャコガイT.gigas(英名giant clam)は世界最大の二枚貝で,殻の長さ1.37m,重量230kgの記録がある。通常は長さ75cm,高さ45cmくらいになる。… ※「giant clam」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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