This jelly does not look like the typical jelly, appearing as a flower on the seafloor. The bell is flat and shaped like a saucer. Color can vary, but is typically greenish to gray-blue. It has four pairs of elaborately branched but unfused oral arms.
Bell can be up to 14 inches wide, about the size of a serving plate
Caribbean, Hawaii, and Florida
In the past, jelly populations were kept in check by predators like sea turtles and jelly-eating fish. Due to the reduction of their predators, jelly populations are growing at alarming rates.
Sea turtles and other jelly-eating animals, such as tuna, sunfish, butterfish, and spiny dogfish, keep the jelly populations in balance. All seven species of sea turtles include them in their diets. The largest sea turtle species, the leatherback, depends on jellies for food. Because jellies are more than 90% water and an adult leatherback can weigh more than 2,000 pounds, one turtle can consume a lot of jellies.
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