さわがに 沢蟹 LinksSentence search for 沢蟹Sentence search for さわがにSentence search for サワガニKanji details for 沢 and 蟹Edit in JMdict Noun1. Japanese freshwater crab (Geothelphusa dehaani)Usually written using kana aloneOther formsサワガニ Discussions Log in to talk about this word.