As far as I can tell from a cursory search, our evidence for ιχθυς dates from II and later, which would indeed put it firmly in a "fisher of men" or "loaves and

As far as I can tell from a cursory search, our evidence for ιχθυς dates from II and later, which would indeed put it firmly in a "fisher of men" or "loaves and fishes" interpretation and not an astrological one. Thanks!