MIna Xologne Sanskrit Dictionary (derivation fr. 1. {mI} very doubtful in spite of Un2. iii , 3 , ) a fish the sign of the zodiac Pisces N. of a teacher of Yoga a stick N. of a daughter of Usha and wife of Kasyapa Agastya is called a Fish of Great Lustre. In addition: From his parentage he was called Maitravaruni and Aurvasiya; and as he was very small when he was born, not more than a span in length, he was called Mina. http://mythfolklore.net/india/encyclopedia/agastya.htm