John 1

The Word Became Flesh

1 In the beginning was the Word, and the Word was with God, and the Word was God. 2 He was with God in the beginning. 3 Through him all things were made; without him nothing was made that has been made. 4 In him was life, and that life was the light of all mankind. 5 The light shines in the darkness, and the darkness has not overcome it.

Jesus is the Word. His name is within the fish:

The word is also the Greek word for “fish,” icthus, ἰχθύς which when spelled in capital letters in Greek is ΙΧΘΥΣ

The word “IXOYE” is an acronym comprised of the first letter of five Greek words: Iesous Xristos Theou Yios Sotare which means Jesus, Christ, Son of, God, Savior.

https://carm.org/other-questions/what-does-ixoye-mean/