In the video, a man is standing in front of a large aquarium. He is wearing a white t-shirt with the words "DIY FISHKEEPER" printed on it. The man is speaking to the camera, and his hand gestures suggest that he is explaining something. The aquarium behind him is filled with water and various fish swimming around. The man appears to be knowledgeable about fishkeeping, and he may be providing tips or information about maintaining an aquarium. The lighting in the room is dim, and the focus is on the man and the aquarium.