In the video, a man is seen standing in front of a large fish tank. He is wearing a green shirt and has a blue cap on his head. The man is holding a small fish in his hand and appears to be examining it closely. The fish tank is filled with water and various types of fish can be seen swimming around. The man seems to be interested in the fish and is carefully observing them. The fish tank is well-lit and the water is clear, allowing for a good view of the fish. The man's actions suggest that he may be a fish enthusiast or a professional who is studying the fish.