From Japanese-English FreeDict Dictionary ver. 0.1:
螺 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 辛螺 /(en)tʃˈaɪniːz(ja)lˈe̞tə (en)tʃˈaɪniːz(ja)lˈe̞tə/, にし /nˈiɕi/, () ニシ /nˈiɕi/
(noun (common) (futsuumeishi))
Note: word usually written using kana alonesmall spiral-shelled snail
From Japanese-English FreeDict Dictionary ver. 0.1:
螺 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 海螺 /(en)tʃˈaɪniːz(ja)lˈe̞tə (en)tʃˈaɪniːz(ja)lˈe̞tə/, つぶ /tsˈɯᵝbɯᵝ/, (out-dated or obsolete kana usage) つび /tsˈɯᵝbi/, (out-dated or obsolete kana usage) つみ /tsˈɯᵝmi/, () ツブ /tsˈɯᵝbɯᵝ/
1. (つぶ)
(ツブ)
(noun (common) (futsuumeishi))
Note: word usually written using kana alonewhelk (esp. Neptunea and Buccinum spp.)
2. 螺・にしsmall spiral-shelled snail (esp. a pond snail)