i de lugnaste vatten simmar de fulaste fiskarna

== Swedish == === Etymology === Literally, "In the calmest waters swim the ugliest fish," with ful fisk (“ugly fish”) being an idiom for a criminal or deceitful person. === Proverb === i de lugnaste vatten simmar de fulaste fiskarna bad people sometimes turn up in unexpected places ==== Usage notes ==== Sometimes shortened to "I de lugnaste vatten."