Summer on the South Shore of Massachusetts has long been known as shark season.

Each year, numerous shark sightings are reported, and often beaches are shut down because of them.

So it's not too surprising to know that hundreds of sharks move through our local waters when they're warm enough. Yet seeing photos of hundreds of them together is a bit unsettling.

READ MOREEndangered Shark Once Spotted Off Cape Cod

The Rhode Island Department of Environmental Management (RIDEM) recently shared images captured during an aerial survey to track North Atlantic right whales. The survey turned up way more than just whales.

What the Aerial Survey Revealed

In the photos from an area off the coast of Block Island over 400 spinner sharks were spotted swimming together in a massive moving underwater ‘sharknado.’

Technically, a group of sharks is called a shiver, not a ‘sharknado’, but we can't help but get cinematic vibes from the scene.

Honestly, you can't help but shiver at the sight of that many sharks together either.

READ MORE: First-Ever Great White Shark Footage Off Block Island

Scientists have learned that sharks usually group up when hunting or migrating, both of which these 400 spinner sharks were probably doing.

Should You Be Worried?

Don't get too nervous about any late season boat trips to Block Island, however. RIDEM says the images were captured back in August when Rhode Island waters were at their warmest, so the sharks have likely moved south by now.

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Gallery Credit: Michael Rock

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