Wobbegongs are bottom-dwelling sharks, so they spend much of their time resting on the sea floor. Most species have a maximum length of 1.25 m (4.1 ft) or less, but the largest, the spotted wobbegong, Orectolobus maculatus, and banded wobbegong, O. halei, reach about 3 m (9.8 ft) in length. Wobbegongs are well camouflaged with a symmetrical pattern of bold markings which resembles a carpet. Because of this striking pattern, wobbegongs and their close relatives are often referred to as carpet sharks. The camouflage is improved by the presence of small weed-like whisker lobes surrounding the wobbegong's jaw, which help to camouflage it and act as sensory barbs. Wobbegongs make use of their relative invisibility to hide among rocks and catch smaller fish which swim too close, typical of ambush predators.