Hi, the video is a bit too short. Also, blue lights makes it difficult to diagnosis fish problems. More background information is also helpful. This post explains all that:
Aquarium Fish Disease Problem Solving Determining the best course of action for a problem with your aquarium can be a difficult task. Even advanced aquarists will often need to seek the help of others for complicated or unique issues. Our intent here on Reef 2 Reef is to offer expert advice...
www.reef2reef.com
From what I can see though, the fish is breathing too fast and may have some skin issues. This species is prone to developing fluke infections, so that might be the cause.