(Ἰχθύας), the son of Metallus, and a disciple of Euclid of Megara, is spoken of as a distinguished man, to whom Diogenes the cynic inscribed a dialogue. (D. L. 2.112; Athen. 8.335a.)
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890