In the video, a man is standing in front of a large fish tank. The man is wearing a black t-shirt with the words "DIY FISHKEEPER" written on it. He is pointing at the fish tank and talking to the camera. The fish tank is filled with water and has a sandy bottom. There are no fish visible in the tank. The man appears to be explaining something about the fish tank, but it is not clear what he is saying. The lighting in the room is dim, and there are no other objects or people visible in the video.