Ichthys, is the Ancient
and Classical Greek word for "fish." In English
it refers to a symbol consisting of two
intersecting arcs, the ends of the right side
extending beyond the meeting point so as to
resemble the profile of a fish, said to have been
used by early Christians as a secret symbol and
now known colloquially as the "sign of the fish"
or the "Jesus fish."
Societies of Christians in Hellenistic Greece and
Roman Greece, prior to the Edict of Milan,
protected their congregations by keeping their
meetings secret. In order to point the way to
ever-changing meeting places, they developed a
symbol which adherents would readily recognize,
and which they could scratch on rocks, walls and
the like, in advance of a meeting. At the time, a
similar symbol was used by Greeks to mark the
location of a funeral, so using the ichthys also
gave an apparent legitimate reason for Christians
to gather
Within astrology, the symbol of the fish can also
have the double meaning of the sign of Pisces.
According to some astrological theorists, Jesus
Christ represents the central figure of the Age
of Pisces, which is now giving way to the Age of
Aquarius. The Ages go backwards through the signs
of the Zodiac. Prior to the birth of Christ there
was the Age of Aries and before that Taurus and
so on. Each Age lasts approximately 2,000
years.