Neptune with nereids and tritons: the element water Aqua (title on object) The four elements (series title), Neptunus surrounded by releasing nereids and tritons in a rock party in the water as an allegory on the element water. Print from a series of four, water (one of the four elements), sea thiasos, Neptune's sea retinue, sea-horse, hippocamp, 'hippocampus', (horse / fish) (mythological hybrid monster), Nereids, daughters or Nereus, sea nymphs, gods of the waters: Neptune and his environment, Abraham van den Hecken, Nederlanden, c. 1620 - 1655, paper, engraving, h 101 mm × w 132 mm