noun
veined rapa whelk
A species of sea snail, Rapana venosa. Used in biological and culinary contexts.
アカニシは東京湾でも見られる巻貝です。
The veined rapa whelk is a sea snail that can be found even in Tokyo Bay.
アカニシの貝殻は大きくて厚い。
The shell of the veined rapa whelk is large and thick.
The name likely derives from 赤 (aka, 'red') and 螺 (nishi, 'whelk'), referring to the reddish shell of this species. The exact historical derivation is uncertain.