Joseph Leverton on Instagram: "5 fascinating facts about lionfish (Pterois species), known for their beauty and their sting! 1. Venomous, Not Poisonous: Lionfish have venomous spines on their dorsal, anal, and pelvic fins. These spines deliver a painful sting used purely for defense, not for hunting. The venom can cause intense pain, swelling, and even temporary paralysis in humans but it’s rarely dangerous unless allergic. 2. Masters of the Ambush: Lionfish use their large, fan-like pectoral fi