Triton was the son of Neptune and Amphitrite, and was reckoned of much importance among the sea deities, being able to raise or to calm storms at his pleasure. He is generally represented with a shell in his hand.
"Old Triton blowing his sea horn."
Wordsworth.
His body above the waist, is that of a man, but below, a dolphin's, while by some he is shown with the fore feet of a horse. He usually precedes the chariot of the god of the sea, sounding his shell, and is resembled, in this, by his sons the Tritons.
Proteus, son of Oceanus and Thetis, was guardian of the subjects of Neptune, and had the power of looking into the future, from that God, because he had tended for him the monsters of the sea.
"The shepherd of the seas, a prophet, and a god,
High o'er the main, in watery pomp he rides,
His azure car and finny coursers guides.
With sure foresight, and with unerring doom