This video features two large, prehistoric marine creatures swimming in a deep blue ocean. The first creature has a long, slender body with a pointed snout and sharp teeth. The second creature has a shorter body with a more rounded snout and a row of sharp teeth along its jawline. Both creatures have long, pointed fins and tails that help them navigate the water. The video captures the creatures from various angles, highlighting their size and the intricate details of their bodies. The deep blue color of the ocean contrasts with the creatures' dark gray and white coloring, making them stand out in the scene.