puffer, pufferfish, blowfish, globefish
['sloth bear, Melursus ursinus, Ursus ursinus', 'buckeye, horse chestnut, conker', 'submarine, pigboat, sub, U-boat', 'trilobite', 'scorpion', 'coho, cohoe, coho salmon, blue jack, silver salmon, Oncorhynchus kisutch', 'coral fungus']