BTW, if anyone doesn’t know, but wants to know the point behind the fish, it’s supposedly an acrostic that produces the greek word for “Fish”: Ichthys (ἸΧΘΥΣ), composed of the words " Ἰησοῦς Χρῑστός Θεοῦ Υἱός Σωτήρ", transliterated “Iesous CHristos, THeou (h)Yios, Soter”, meaning “Jesus the anointed, son of god, saviour”.

Early christians used the symbol to mark meeting places and the like when they were being prosecuted by the Romans.