Itayagai (Itayagai) - Itayagai (English spelling) scallop

Japanese: イタヤガイ(板屋貝) - イタヤガイ（英語表記）scallop

An edible bivalve mollusks of the Pectinidae family with an open, fan-shaped shell (illustration). Commonly known as a scallop, the true scallop is a different species found in the Tohoku region and Hokkaido. The shell is 12 cm long, 10.5 cm high, and 3.5 cm bulge; in most individuals, the left shell is flat and brown, while the right shell is well bulged and white. There are 8 to 12 wide, low radial ribs. The interlocking of the two shells is straight and long. When young scallops grow, they live freely without being attached to local objects by byssus, and swim by opening and closing their shells vigorously in a jumping manner. There is one large white adductor muscle (adducal muscle) located almost in the center of the body, and it is edible.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

殻の表面が開いた扇状をなすイタヤガイ科の食用二枚貝（イラスト）。俗にホタテガイというが，本当のホタテガイは東北地方や北海道に分布する別種。殻の長さ12cm，高さ10.5cm，膨らみ3.5cmで，左殻は平らで褐色，右殻はよく膨らみ白色の個体が多い。幅広で低い放射肋が8～12本ある。両殻のかみ合せはまっすぐで長い。幼貝は成長すると地物に足糸で付着せず自由生活をし，両殻を激しく開閉して跳ねるように泳ぐ。閉殻筋(貝柱)は体のほぼ中央に一つあって白くて大きく，食用にする。

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

<<: Itaya Pass

>>: Itamuro [Hot Spring] - Itamuro