The video shows a red sea creature with a long body and a long tail swimming through the water. The creature has two long antennae on its head and is surrounded by various plants and rocks. The creature moves gracefully through the water, its body undulating as it navigates the underwater landscape. The colors in the video are vibrant, with the red of the creature standing out against the green and brown hues of the plants and rocks. The creature's movements are slow and deliberate, and it appears to be exploring its surroundings.