Answer
Northern blowfish (Sphoeroides maculatus), also called puffers or swellfish, are small spiny fish common in Coastal Bays and Inlet structure—distinct from ocean smooth puffers and unrelated to freshwater puffer pets. They inflate when stressed and are prized locally for mild white fillets when cleaned properly.
Sources: Maryland DNR · Visit Ocean City
Editorial visitor guidance for Ocean City, Maryland. Confirm current Town of Ocean City, Maryland DNR, NPS Assateague, and NWS rules when regulations or safety apply.
