Batillaria multiformis - Batillaria multiformis

Japanese: ウミニナ(海蜷) - ウミニナ（英語表記）Batillaria multiformis

A slender snail shell of the family Halymidae (illustration) that is commonly found on gravel bottoms. The shell is about 3 cm long and 1.3 cm wide, with a high cone shape and about 8 stories. The surface has a row of black spots that resemble a cobblestone. The upper part of the coil has vertical ribs. The shell opening is semicircular, with a rounded curve on the outside and a black inside with white spots around the edges. The upper and lower parts of the coil become thicker and whiter. The operculum is circular and light brown. It is found from Honshu to Taiwan, and is often found on the gravel bottom of the intertidal zone of inland bays. It becomes active when the tide goes out, but moves in the opposite direction to the sunlight.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

砂れき底にふつうに見られる細長いウミニナ科の巻貝（イラスト）。殻の長さ3cm，太さ1.3cmくらいになり，高い円錐形で巻きは8階くらい。表面は石畳状に黒斑列がある。また上方の巻きほど縦に肋が出ている。殻口は半円形で，その外側はまるく湾曲し，内面は黒いがその縁には白斑がある。また巻き側の上方と下方は白色になり厚くなる。蓋は円形で薄く褐色。本州から台湾まで分布し，内湾の潮間帯の砂れき底に多い。潮が引くと活動を始めるが，日光に対して反対方向に動く。

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

<<: Umineko (sea cat) - Umineko (English spelling) black-tailed gull

>>: People who live in the sea