A massive crab swarm at the bottom of the Pacific Ocean near Panama was just captured on video for the first time.

A massive crab swarm at the bottom of the Pacific Ocean near Panama was just captured on video for the first time. Researchers aboard the submersible Deep Rover 2 were astounded by the unexpected sight, which they recorded about 1,200 feet below the ocean’s surface.

Hannibal Bank Seamount Expedition from Woods Hole Oceanographic Inst. on Vimeo.