The video shows a scuba diver in the ocean, holding a yellow stick with a white tube attached to it. The diver is wearing a black wetsuit and is surrounded by rocks and coral. The diver is using the stick to catch a lionfish, which is a type of fish known for its venomous spines. The lionfish is seen swimming around the diver, and the diver is carefully using the stick to catch it. The water is clear, and the sunlight is shining through, creating a beautiful underwater scene.