Tachypleus gigas, commonly known as the Indo-Pacific horseshoe crab, Indonesian horseshoe crab, Indian horseshoe crab, or southern horseshoe crab, is one of the four extant species of horseshoe crab.
Tachypleus
…There are two extant (living) species: Tachypleus gigas (Müller, 1785) Tachypleus tridentatus (Leach, 1819…
Tachypleus gigas
Illustrations of male from above and below. Notice that the illustration from below incorrectly shows all walking legs as scissor-like, as in females (in males, the two frontal pairs of walking legs have hooks)
Male found dead in Bako National Park, Malaysia
Individual horseshoe crab found dead on Indonesian shore