Jellyfish have many unique adaptations. One such adaptation are the stinging cells in their long tentacles, which protect their soft tissue, keep them warm in the cold waters of the ocean and aid them in catching their prey by immobilizing them and moving it to their mouths. Another adaptation of the jellyfish is that it is made of 90 percent water which allows it to float easily. Jellyfish can live in areas with high salinity and low oxygen waters and thus are able to bloom easily because they can thrive on plankton without having to compete with other species. They do not require any sort of respiratory system since they have very thin skin which absorb gases easily and do not even have a complex digestive tract and have instead a cavity with a gastrodermal lining which helps it absorb nutrients.
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