So w ap gade la nan bouch pwason sa, se pa lang ni.

The video uses a high-shock-value visual of a parasite inside a fish's mouth to immediately grab attention, combined with an educational, storytelling delivery that keeps the viewer engaged.

The creator explains the function of a tongue-eating louse parasite found inside a fish's mouth. He describes how it attaches to the fish's tongue and consumes its food until the fish dies.