Aquarius constellation is located in the southern hemisphere. Its name means water-bearer (or cup-bearer) in Latin and its symbol is ?, which represents water. Aquarius lies in the region of the sky sometimes referred to as the Sea, because it contains a number of constellations with names related to water; Pisces (the fish), Eridanus (the river), and Cetus (the whale), among others. Like other zodiac constellations, Aquarius was catalogued by the Greek astronomer Ptolemy in the 2nd century.