The video features a single jellyfish with a pink and white body and long tentacles. The jellyfish is seen floating in a blue water tank, with its tentacles moving gently in the water. The jellyfish appears to be the only living creature in the tank, and there are no other objects or creatures visible. The jellyfish's body is semi-transparent, allowing viewers to see its internal structure, and its tentacles are long and thin, with a slight pink hue at the tips. The water in the tank is clear, and the lighting is bright, highlighting the jellyfish's delicate features.