Jellyfish Jellyfish Jellyfish or sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a few are not mobile, being anchored to the seabed by stalks. The bell can pulsate to provide propulsion and highly efficient locomotion. The tentacles are armed with stinging cells and may be used to capture prey and defend against predators. Jellyfish have a complex life cycle; the medusa is normally the sexual phase, the planula larva can
The Thing About Jellyfish The Thing About Jellyfish The Thing About Jellyfish is a 2015 children's novel written by Ali Benjamin, her fiction debut. The book follows Suzy Swanson, the protagonist and narrator, who theorizes the death of her friend, Franny Jackson, was caused by a jellyfish sting. Suzy has just started the seventh grade, which is the second year at Eugene Field Middle School in fictional South Grove, Massachusetts. During their sixth grade year, Franny became interested in boys and started to join a more popular social circle than the sometimes awkward Suzy, who had been best friends with Franny starting shortly after