un poisson is masculine, une frite is feminine, the expression "poisson-frites" or "poisson avec des frites" is masculine. You cannot turn the gender into feminine.
In French, the word for fish is "poisson," which is masculine. Therefore, you would say "le poisson" for "the fish." French nouns are assigned a gender, and "poisson" follows the masculine grammatical rules.
C'est le poisson, donc masculin.
La salade is feminine
The word "chaussures" is feminine in French.
it's a masculine word.
The word "disques" is masculine in French.
The word "universidad" is feminine in Spanish.
it is masculine
The word "cafeteria" in French is feminine.
Un ami is masculine, and une amie is feminine.
penguin is a masculine word and it is un manchot. there is no feminine form of that word because it is masculine.