All li
on fish tournaments
All Lion Fish Tournaments in Cozumel have been done outside of the marine park and is the only exception to using scuba while spearfishing because the lion fish is an invasive species. Also, spear guns were not allowed to be used in the tournaments, pole spears and like devices only.
One more exception to the "no spearfishing is allowed on scuba in Mexico.
Are you sure divemasters are not allowed to spear lionfish inside the marine park?