The video shows a close-up view of a fish tank filled with various types of green aquatic plants. The plants are densely packed and sway gently in the water. The lighting in the tank is bright, highlighting the vibrant green color of the plants. In the background, a fish with a black body and bright orange fins swims through the plants, occasionally darting in and out of the frame. The fish appears to be exploring its surroundings and interacting with the plants.