Aquatic Vertebrates Stingrays, Catfish, Urchins, Stonefish, Scorpionfish and Lionfish Description These creatures have venom-coated spines, portions of which may be left embedded in the wound. Point of Injection Painful puncture wound, often deep. Shooting pain, swelling, bruising. Possible Symptoms Vomiting, diarrhea, fever, muscle cramps, weakness, infection, allergic reaction. Recommended Treatment Protocol Soak in HOT soapy WATER (110 degrees) for 30-90 minutes, to inactivate the venom. NO Ice or cold water. To hospital for Tetanus shot and to remove foreign matter or for severe symptoms. POISON TOPICS × Poisoning PreventionSubstances of AbuseHerbal ProductsVenomous Critters Ants & Fire Ants Bees, Wasps & Hornets Florida Scorpions Coral Snake Pit Vipers Black Widow Spider Brown Recluse Spider Stinging Caterpillars Aquatic Vertebrates Aquatic InvertebratesPoisonous PlantsCarbon MonoxideFood SafetyOlder Adults