General Brazilian
peixe miúdo; gente insignificante
Common usage in both literal and figurative contexts
Rio de Janeiro
peixe miúdo; meia dúzia
Figurative use often refers to unimportant people or groups
São Paulo
peixe miúdo; insignificância
Business context frequently uses this phrase when dismissing competitors
Portugal
peixe miúdo; gente de pouca importância
Used similarly to describe unimportant matters or people