The video shows a crab crawling on a wooden deck. The crab is brown and has long legs. It moves slowly across the deck, which is made of white wooden planks. There is a pile of seaweed next to the crab. In the background, there is a person's shoe, which is gray and black. The shoe is worn by someone who is standing on the deck. The crab moves towards the shoe and stops next to it. The video does not show any other animals or people.