Lionfish A carnivorous fish native to the Indo-Pacific and the Red Sea that is now an invasive species in the Atlantic. Scientific name: Pterois Family: Scorpaenidae Phylum: Chordata Rank: Genus Order: Scorpaeniformes Weight: On average, lionfish weigh 1 to 2 pounds In lab studies, lionfish die when water temperatures reach 50 degrees Fahrenheit. Using water […]