Ark shell (red shell) - Ark shell

Japanese: アカガイ(赤貝) - アカガイ

A bivalve of the family Arcidae. The shell is well inflated, measuring 9cm high, 12cm long, and 7.5cm in diameter. There are around 42 ribs on the surface of the shell, the inside is white, and there are many teeth at the bite. It lives on sandy and muddy bottoms at depths of 3-30m in inland bays from southern Hokkaido to Kyushu and the Korean Peninsula, and feeds on suspended organic matter in the sea. It is collected with a sieve net. It is also cultivated. The spawning season is in the summer. As its name suggests, the flesh of the akagai is red, which is due to the hemoglobin in its blood. It has a good taste and is used as an ingredient in sashimi and sushi. It is often the saruboogai, not the akagai, that is used in akagai-meshi (red clam rice).

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

フネガイ科の二枚貝。殻の高さ9cm，長さ12cm，ふくらみ7.5cmでよくふくらんでいる。殻表の肋(ろく)は42本内外，内面は白色，かみ合せに多くの歯がある。北海道南部から九州，朝鮮半島の内湾の深さ３〜30mの砂泥底にすみ，海中の懸濁有機物を食べる。けた網で採取する。養殖も行われている。産卵期は夏。アカガイの名のとおり，肉は赤いが，これは血液中にヘモグロビンを含むため。味がよく，刺身やすし材料。赤貝飯に使われるのはアカガイではなくサルボオガイのことが多い。

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