If anyone terasa nak makan lion fish, please refer to steps below:

1. Heat neutralizes the toxins in the lionfish. If possible apply heat to venomous dorsal spines before cleaning.
2. Remove the dorsal spines along the back of the fish by cutting into the flesh along each side of the row of spines. After loosening, pry them off. Some find a strong pair of kitchen scissors or tin snips to be easier to accomplish this.
3. Remove the anal and pelvic spines by cutting from the base.
4. Remove remaining fins.
5. Scale the fish; they are small and easily removed.
6. Gut and fillet the fish as usual.
7. Dispose of spines so they do not present a hazard to others. Burn if possible.
8. Season and cook per your preferences.

If you are wonder why these lion fish become a prey, refer this link for more reading.