Yes, A. stellatus.
Said to get 4 feet, the longest actually measured around 3 feet (if I remember correctly). May sound ridiculous at first, but the marine puffer book recommends around 4.000 gallons. If you see an adult at a public aquarium or in the sea, it's not ridiculous any more.
Give a man a fish, and he'll eat for a day. Give a fish a man, and he'll eat for weeks.