It was their child’s first trip to the beach. When they looked at their photos later, they noticed something strange in the water behind them. Was this our shark?”

The comments came flooding in. Some people were skeptical:

“The water’s too shallow for a big shark,” one user noted. “Look at the man and the dog — they’d have noticed it if it was that close.”

Others weren’t so sure:

“Maybe it’s smaller, maybe it’s moving fast — I wouldn’t rule it out,” another insisted.

But when marine experts weighed in, they offered a more grounded explanation. Professor Charlie Huveneers, leader of the Southern Shark Ecology Group, told Yahoo News Australia:

“The photo quality makes it hard to be certain, but judging by the shape, it doesn’t look like a shark’s dorsal fin. It’s more likely the wing of a Southern