The video shows a close-up view of a body of water with a large group of insects swimming around. The insects are mostly dark in color, with some lighter colored ones interspersed throughout. They are moving around in a somewhat chaotic manner, with no clear pattern or direction. The water appears to be clear, and the insects are of various sizes and shapes. Some of the insects have long antennae, while others have shorter ones. There is no visible title, subtitle, or other text in the video.