Family: Salticidae (Jumping Spiders)
Species: Myrmarachne maxillosa (Giant Ant-Like Jumper)

Location: Tampines Mountain Biking Trail

A Myrmarachne spider has a long waist (pedicel) and an elongated cephalothorax. Its jaws are enormously large (especially the males) and hang out in the front, making the spider appears to be a soldier ant.