Neptune (mythology) holds a dolphin in each hand (identification with Aplu-Apollo is clear also because Uśil holds a bow). Nethuns holds a double-ended trident, suggesting he might be one of the gods who can wield lightningbolts. Neptune (mythology) Neptune ( ) was the god of freshwater and the sea in Roman religion. He is the counterpart of the Greek god Poseidon. In the Greek-influenced tradition, Neptune was the brother of Jupiter and Pluto; the brothers presided over the realms of Heaven, the earthly world, and the Underworld. Salacia was his wife. Depictions of Neptune in Roman mosaics, especially those of North Africa,
Neptune (mythology) well in the case of Neptune who was definitely a god of springs, lakes and rivers before becoming also a god of the sea, as is testified by the numerous findings of inscriptions mentioning him in the proximity of such locations. Servius the grammarian also explicitly states Neptune is in charge of all the rivers, springs and waters. He also is the lord of horses because he worked with Minerva to make the chariot. He may find a parallel in Irish god Nechtan, master of the well from which all the rivers of the world flow out and flow back