How to Say "grouper" in Spanish
The Spanish word for “grouper” is “mero” — B2 level.
English → SpanishB2
nounB2
a type of large saltwater fish used in cooking

Examples
Pedí un filete de mero con limón.
I ordered a grouper fillet with lemon.
El mero es un pez que vive en aguas profundas.
The grouper is a fish that lives in deep waters.
Hay muchos meros en el arrecife.
There are many groupers on the reef.
Always Masculine
Even if you are talking about a female fish, the word 'mero' stays masculine when used as the name of the species.
Confusing with the adjective
Mistake: “El mero trámite.”
Correction: This isn't a mistake, but remember context! If you are in a restaurant, it's a fish. In an office, it's a formality.
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