A surf camera at Scarborough Beach in Western Australia caught a large, dark shape moving through the water on a rainy day, and the footage has left beach watchers with more questions than answers. The animal, if it was an animal, appeared as a broad shadow in the lineup before it passed out of view, Surfer reports.

Swellnet’s team reportedly leaned toward shark. They also raised the possibility of a whale shark, given the animal’s apparent size, while some online viewers pointed instead to a whale or oarfish, according to Coast to Coast AM.

A dark shape appeared in the surf off Scarborough, Western Australia.

The Whale Shark Theory Fits The Scale

Whale sharks are not whales. They are sharks, and they are the largest fish alive. The Western Australian Museum notes that they can grow to about 12 meters and carry a distinctive pattern of pale spots and lines across a grey, blue, or brown body.

That size makes the whale shark theory tempting. So does the region. Whale sharks occur in northern Western Australia and other Australian waters, the Australian Museum reports. They are also filter feeders, not predators of people, despite their bulk.

Other Possibilities Remain Open

A large white shark cannot be ruled out from a distant camera shot. Western Australia’s SharkSmart program says more than 100 shark species live in the state’s waters, from small lantern sharks to whale sharks. The same source notes that sharks rely on sharp senses and body structures built for movement through the sea.

Then there is the oarfish idea. Oarfish can look almost unreal, with long ribbon-like bodies and a history tied to old sea-serpent stories. The Australian Museum says live encounters are rare, though the species can appear near the surface.

Whale sharks are known from Western Australian waters.

A Storm-Battered Coast Adds Context

The timing also raised questions. Severe Tropical Cyclone Narelle recently passed near major reef systems across northern Australia, including Ningaloo Reef, where wave models showed very large seas, the Australian Institute of Marine Science reports.

Farther north, the storm left dead marine life along parts of Western Australia’s coastline and damaged fragile reef habitat, according to ABC News.

That does not prove the Scarborough shadow was storm-displaced wildlife. It does show how unsettled the ocean had been. For now, the surf cam captured a question, not an answer. A shark, a whale shark, an oarfish, or something else all remain possible until clearer evidence surfaces.