http://www.scientificamerican.com/artic ... nfish-work
Conservationists wrestling with the problem of invasive lionfish have suggested that recreationally and commercially harvesting the predatory species for food could put a big dent in its numbers. ...
The species has higher levels of omega-3 fatty acids than other commonly consumed Caribbean fishes, Akins says. And although lionfish is one of 400 species that can carry toxins, which cause the foodborne illness ciguatera, it poses no greater a threat than others commonly eaten, including snapper, grouper and hogfish.
First, one must learn how to catch and handle these venomous fish safely, but this fish is good tasting and healthy!