Together with another seer, Amphilochus, Mopsus founded Mallus in Cilicia after the return from Troy; and in a quarrel for its possession both lost their lives.
The legend related by Herodotus and Strabo, which ascribed the origin of the Pamphylians to a colony led into their country by Amphilochus and Calchas after the Trojan War, is merely a characteristic myth.
Thus it was either not mentioned or disowned by Cyril of Jerusalem, Chrysostom, Theodore of Mopsuestia, Theodoret and Amphilochus of Iconium.
Knowing his doom, he bade his sons, Alcmaeon and Amphilochus, avenge his death upon their mother, upon whom, as he stepped into his chariot, he turned a look of anger.