noun, masculine/peθkeˈɲin/plural: pezqueñines
pezqueñín is masculine in Spanish.
an immature fish, improper for catch or consumption
“Bruselas denunciará a España por no evitar la captura de 'pezqueñines'” — Brussels will denounce Spain for not preventing the catching of 'pezqueñines'
Portmanteau/Blend of pez + pequeñín. Created by the advertising agency Ted Bates for the Spanish government Pezqueñines ¡No, gracias! campaign in 1983.