びわこおおなまず 琵琶湖大鯰 LinksSentence search for 琵琶湖大鯰Sentence search for びわこおおなまずSentence search for ビワコオオナマズKanji details for 琵, 琶, 湖, 大 and 鯰Edit in JMdict Noun1. Lake Biwa catfish (Silurus biwaensis)Usually written using kana aloneOther formsビワコオオナマズ Discussions Log in to talk about this word.