Scientists have no Explanation for this Mysterious Swarm of thousands of Crabs

Environment

A “crusade of crabs” isn’t technically the correct collective noun for the ocean-dwelling crustaceans at least with special regard to this mesmerizing footage of thousands of determined pelagic red crabs (Pleuroncodes planipes) swarming in unison across the seafloor.

As the newly released video reveals, thousands of crabs were filmed moving in sync with one another, seemingly away from and toward nothing.