ツブ

noun

whelk; sea snail (Neptunea, Buccinum)

Only with reading つぶ / ツブ

Refers to larger marine whelks, especially edible species. Often seen in seafood contexts.

• 北ほっ海かい道どうではツブの刺さし身みが名めい物ぶつだ。

  In Hokkaido, whelk sashimi is a local specialty.

noun

small spiral-shelled snail; pond snail

Used for small freshwater or land snails with spiral shells. Less common than sense 1; often encountered in nature guides or traditional contexts.

See also: にし

• 田たんぼで小ちいさなツブを見みつけた。

  I found a small pond snail in the rice paddy.