Neptune (mythology) to. Poseidon on the other hand underwent the process of becoming the main god of the sea at a much earlier time, as is shown in the Iliad. In the earlier times it was the god Portunus or Fortunus who was thanked for naval victories, but Neptune supplanted him in this role by at least the first century BC when Sextus Pompeius called himself "son of Neptune." For a time he was paired with Salacia, the goddess of the salt water. Neptune was also considered the legendary progenitor god of a Latin stock, the Faliscans, who called themselves "Neptunia proles".
Neptune (mythology) of Actium. This building substituted the older temple, which in its turn substituted a more ancient altar. Neptune is one of only four Roman gods to whom it was appropriate to sacrifice bulls, the other three being Apollo, Mars and Jupiter, although Vulcan was also allowed the offering of a red bull and a red bull calf. The wrong offering would require a piaculum if due to inadvertency or necessity. The type of the offering implies a stricter connection between the deity and the worldly realm. During the war with Veii in 393 BC the level of Lake Albano ("Albanus