The shocking image was uploaded to Reddit on Sunday, before being taken down less than 24 hours later after catching the attention of the animal rights organisation.
The dog's heroic owner, Mike McCoy, recounted the scary scene: "He was in the death roll with that old gator."
On Thursday morning, a colossus alligator was hit by a vehicle, causing injuries to the driver and killing the reptile.
A viral video caught an alligator holding up traffic on a leisurely stroll as it crossed a busy street.
Wednesday turned out to be a bizarre day for commuters on Fred Hartman Bridge as an alligator decided to use the highway shoulder to take a nap.
The clip of the juvenile saltwater crocodile floating in a tank has been watched more than 8 million times.
The public has been asked to avoid a section of the Western Cape region's Breede River after an outbreak of Nile Crocs in South Africa this week.
The animal was "submerged in a poorly secured tank with rancid water" and police said it could have easily escaped into a nearby waterway.
Police found the man's damaged and overturned 8-foot dinghy at around 2.30 a.m. on Friday. The man has not yet been recovered, officials said.
The enormous 16-foot reptile was seen lurking in a shallow river in Western Australia's remote Kimberley Region.
The child reportedly put his hand through a fence in an attempt to pat the predator.
The reptile, estimated to be up to eight feet long, has been reported to local authorities but has not yet been captured, officials said in a Facebook post.
"It is hard to imagine what would motivate someone to do that to an animal. It is beyond belief. It is deplorable," said local wildlife agency chief Lindsay Delzoppo in a statement.
Brian Ahrens from the town of Humpty Doo had to fight off the predator to catch a barramundi.
"Puppy dog nearly got taken by a croc," wrote the person who uploaded the video of the close encounter to Facebook. "Heart was pounding as we all tried to call the puppy back."
A 33-year-old man was taken to hospital by personnel from the Royal Flying Doctor Service, and is reportedly in a stable condition.
Meet 'Big Daddy,' who is more than a century old, and has finally learned to share by an unusual technique.
"There's... crocodiles in the proximity of where the vessel was located and other marine activity that would be quite concerning if someone were to have entered the water," one police officer said.
NT Police Watch Commander Siiri Tennosaar described the 23-year-old as the "luckiest man alive" after he escaped the encounter without life-threatening injuries.
The injured crocodile was found with a steel arrow piercing its body and several stab wounds to its neck and throat in northern Queensland, Australia.
Coree Summerville had been fishing at The Strand Pier in Townsville in Queensland, Australia, when he spotted a struggling turtle.
Zoo officials shot a crocodile after it became aggressive and bit a keeper's hand on Monday.
The plate was found after a crocodile known as "MJ" died in July, near Rockhampton, Queensland, Australia.
Craig Dickmann was fishing when the animal struck.
"It's a good time to warn people about getting close to the water's edge when you're not attuned to the ways of nature," said Noel Waterman of the Indigenous Knowledge Centre.
Elston Lami Lami, 42, said the attack occurred as he was hunting with a relative and two dogs on Saturday close to Minjilang on Croker Island, local media reported.
Today, there are more than 10,000 species that have been added to the Reptile Database. These are some of the strangest.
Mavis Mohlala was on her way to attend a church service when she was attacked by a crocodile. She died four days later.
The new species is unique to New Guinea—the world's second-largest island.