Glaukos (2)Glaukus

A divine seer who lives in the sea; Glaukos was thought to have been a man from the waist up and a fish from the waist down.

When the Argonauts were on their way to Kolkhis (Colchis), Herakles (Heracles) and Polyphemos (Polyphemus) left the crew of the Argo to search for their lost companion, Hylas; when the ship set sail without them, the Argonauts began to argue about the wisdom of leaving Hylas, Herakles and Polyphemos behind; as the argument reached the point of violence, Glaukos rose from the sea and grabbed the keel of the Argo; he proclaimed that the will of Zeus had been done; Herakles was to return to his Twelve Labors, Polyphemos was destined to found a new town and Hylas had become the husband of a water nymph; the Argonauts accepted this without further debate and returned to their quest.

• Argonautika, book 1, lines 1311-1325