Neptune is the modern ruler of Pisces. Neptune was first observed in 1795 but mistaken for a star. It was officially discovered only in 1846. Neptune orbits the Sun between Uranus and Pluto. It has a rotational cycle of 164.75 years. Mythologically Neptune is the Roman equivalent of the Greek God Poseidon, the ruler of the sea and brother of Zeus. Neptune signifies unlimitedness, sesnitivity, dreams, illusions, delusions, erasure of the boundaries between dreams and reality. It also signifies high ideals, spirituality, psychicism, deception, idealism, drug abuse, disappointment, apathy and irrational fear.