coral reef
['cleaver, meat cleaver, chopper', 'broccoli', 'alp', 'grey whale, gray whale, devilfish, Eschrichtius gibbosus, Eschrichtius robustus', 'slug', 'great white shark, white shark, man-eater, man-eating shark, Carcharodon carcharias', 'frilled lizard, Chlamydosaurus kingi']