Hunt the Invader: A Two‑Day Lionfish Eradication Specialty Off Key Largo

Along Florida’s nearshore reefs, where stony coral gardens give way to sandy scallops and scrubby patch reefs, the Lionfish Eradication Specialty offers a two-day, hands-on route for divers who want to turn skill into direct conservation. Located in Florida (exact training sites vary by instructor and are provided after booking), this course pairs classroom study with pool sessions and boat-based open-water training to teach certified divers how to safely hunt, capture, and remove invasive lionfish. The course requires an advanced-level certification from any agency and a cleared Medical Questionnaire; students must be 15 or older. Friday evenings begin with a focused classroom review of lionfish biology, equipment choices, and legal and safety protocols. Saturday moves into the water: pool work to build puncture-resistant gloving, spear and containment techniques, and at least one open-water, boat-launched training dive where skills are practiced on live reef habitat. Tanks and weights are included; students bring personal mask, snorkel, fins, BCD, regulator, and dive computer or rent gear through the shop. Puncture-proof gloves and dedicated lionfish tools must be purchased—your instructor will advise models and safe handling. What sets this course apart is its conservation-first curriculum. Lionfish are voracious predators that alter reef food webs across Florida; this program teaches low-impact removal methods, safe handling to avoid venomous spines, and proper dispatch and record-keeping so harvested specimens can be used for research or local markets. Training on real reefs—where coral heads, elkhorn and brain coral, and fringe mangrove runoffs meet—gives immediate context: you see the difference a removed predator makes in the density of juvenile fishes and the resilience of reef structure. Logistical details are straightforward: expect Friday evening classroom and a full Saturday of water sessions; plan your own transportation and bring swimwear, towel, sun protection, and water. Classes run monthly with small groups so instructors can certify each diver in both skill and ethics. Private courses are available for an extra fee. For divers who want skills that combine adventure with measurable impact, this specialty is a rare option: you leave certified and able to legally collect lionfish, equipped with techniques that benefit researchers and reef managers. If you’re a certified advanced diver visiting Florida’s reef systems, this weekend course turns curiosity into conservation—one spear, one removed lionfish, one healthier reef at a time. Students receive a retail discount on required gear and will be emailed a course packet after purchase that includes meeting locations, specific boat launch points, and the Force-E Student Learning Agreement. Group size is small—typically four students—so instructors can focus on individual buoyancy, safe dispatch, and accurate catch reporting. The certification is recognized for continued invasive-species work and opens opportunities to join community derbies and reef monitoring projects. Locally.