In Greek the word fish is ψάρι(psaari, remember the little exersice i adviced you?), with the tone( the little pronounciation spot above the proper letter i told you?) above the α letter.

in greek fish=ψαρι

In Spanish fish would be (If it's alive) pez (singular) /pĕs/ peces (plural) /pĕsəs/ (If it's dead) pescado (singular) /pĕskädŏ/ pescados (plural) Sorry about phonetics, It's been years since I practiced the symbols and sounds so they are probably wrong at some parts

Fish in modern greek is 'ps'ari' = ' ψάρι ' in ancient greek the word is 'ihth'is' = ' ιχθύς '. you would use this form, the ancient greek one, only for the starsign 'fish' :0