1 / 6Human remains have been found inside the stomach of a 14-foot-long (4.2 meters) crocodile on an island north of Queensland, Australia.2 / 6According to local authorities, the remains likely belong to Andrew Heard, a 69-year-old fisherman who went missing from the area on Feb. 11.3 / 6Heard was last seen that Thursday afternoon when he left his yacht on Hinchinbrook Island (close to the coast of northeastern Australia) in a small fishing dinghy, according to the Australian Broadcasting Corporation (ABC) news site. 4 / 6When he failed to return that night and stopped responding on his radio, Heard's wife called the authorities.5 / 6His dinghy was found capsized early Friday morning (Feb. 12), showing damage indicative of a crocodile attack. The coasts around Queensland are home to the largest species of crocodile on Earth: the saltwater crocodile (Crocodylus porosus). Saltwater crocs can grow up to 23 feet (7 m) long, though they rarely exceed 16 feet (5 m), according to the Queensland Museum.6 / 6On Friday night, investigators discovered human remains in the area; the next day, they found the gigantic croc nearby, according to the Queensland government. Environmental authorities euthanized the croc and cut it open, revealing more human remains in its guts.