Sea Nettles (Chtysaora quinquecirrha)

Known for its tentacles which contain toxins used to paralyze and capture prey, these jellyfish also cause painful and annoying stings to swimmers who happen to cross their path. The sea nettle is known for its tolerance to a wide range of salinities and can reportedly live in habitats varying from 10-35 PPT. At lower salinities, they are white in color and where salinities are higher, they often have reddish marking along the central tentacles and swimming bell.

Cannonball Jellyfish (Stomolophus meleagris)

Commonly known to inhabit the Southeastern Coast and the Gulf of Mexico and its dome shaped bell can reach up to 10 inches in diameter with eight arms that extend from the mouth which aid in movement and capturing prey. This jellyfish is eatable and known for is nutritional value as well as being low in fat and cholesterol but caution must be emphasized as they should only be eaten when caught and prepared properly. They eat mainly zooplankton and red drum larvae and are themselves an important food source for the leatherback turtle whose survival depends on them. They expel a neurotoxin that harm fish and drive off predators. They can sting humans and although normally mild reactions occur, exposure to the eyes can be severe as well as possible heart problems have been reported. It is recommended to avoid contact with this local jellyfish.

Moon Jellyfish (Aurelia aurita)

Present in Florida panhandle waters. Contact does not normally produce stings in humans.

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