 However, "Phaeacius" can adopt other, more active approaches, with different gaits for each.If an insect remains almost stationary while "Phaeacius" is in the flattened pose and facing the insect, the spider may step slowly forward to its prey, rocking and keeping its flattened pose.To rock, "Phaeacius" moves about half a body length forward then, without pausing, smoothly back almost to the previous position.