In Greek mythology, the constellation is sometimes identified as Amalthea, the goat that suckled the infant Zeus after his mother, Rhea, saved him from being devoured by his father, Cronos. The goat’s broken horn was transformed into the cornucopia or horn of plenty. According to some ancient Greek myths, it started with the sea-goat Pricus. he was the father of the race of sea-goats (half goats half fish), who were intelligent and honourable creatures. They lived in the sea near the shore. They could speak and think according to Greek legend. They were favoured by the gods.