The video shows a close-up view of a group of crayfish in a tank. The crayfish are mostly dark green in color, with some having red spots on their shells. They are moving around in the water, with their long antennae and legs visible. The tank appears to be made of glass, and the water is clear, allowing for a good view of the crayfish. The lighting in the video is bright, highlighting the details of the crayfish and their movements.