What bites you in the Gulf of Mexico?
Sarah Scott
Updated on May 21, 2026
Prevalent in the warm waters of the Gulf of Mexico, Carribean, and along both the east and west coasts of the United States during the summer months,
sea lice
Seabather's eruption is an itching dermatitis caused by a hypersensitivity reaction to the immature nematocysts of larval-stage thimble jellyfish (Linuche unguiculata), sea anemones (Edwardsiella lineata) and other larval cnidarians.
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What stung me on the beach?
Jellyfish, anemones, and corals all have tentacles. Each tentacle is covered with individual stingers called nematocysts. Jellyfish generally fire their venomous stingers into prey, but sometimes they come into contact with swimmers. Most stings from jellyfish, anemones, and corals cause rashes and sometimes blisters.How do you figure out what stung me?
To identify what insect stung you, check whether you have a stinger in your skin, look for a hive nearby, and notice whether the insect was flying near the ground or higher up. If you see the insect that stung you, try to spot identifying features such as body shape and coloring.What to do if you get stung by something in the ocean?
Symptoms of a marine animal sting can include pain, burning, swelling, redness, and bleeding. To treat a sting, keep the victim very still and wipe off stingers or tentacles with a towel or sand being careful to avoid contact with the tentacles or stingers. Wash the area with salt water.What stings in Florida ocean?
Sea Urchin – Venomous SpinesWhile most sea urchins are not toxic, several in Florida contain venom in their spines, including the Long Spined Urchin and the Black Sea Urchin. While not life threatening, sea urchin stings can be very painful and cause numbness and swelling that extend far from the wound.