This phrase literally translates to 'The fish dies by the mouth'. It is a Spanish slang used to warn that loose talk can lead to trouble, similar to the English saying 'loose lips sink ships'.
Examples
- Spanish: Deberías tener cuidado con lo que dices. Recuerda, el pez muere por la boca.
- English: You should be careful with what you say. Remember, the fish dies by the mouth.