Unlike most fishes, triggerfish swim by undulations of the second dorsal and anal fins. Common at Gray's Reef. Nova Scotia to Argentina. Armored for protection, it is often seen near sponges and gorgonians of flat reef areas at Gray's Reef. Massachusetts to Brazil.
Puffers produce a toxin in the skin and viscera.
Newfoundland to Northeastern Florida. Both burrfishes and porcupinefishes discourage predators by gulping water or air into the stomach. Maine to Brazil.