Some predators of the jellyfish include other jellyfish, sunfish, some sea turtles and humans. Occasionally birds and other fish will bite around the non-venomous inner tissue of the jellyfish, dodging the outer tentacles altogether.Know More
Jellyfish have a limited number of predators, since their bodies are covered in stinging cells. Jellyfish also have little nutritional benefits for predators, since they are made up mainly of water. Still, the ocean sunfish feeds on jellyfish, and jellyfish is the main food for some species of sea turtles. Also, though jellyfish of the same species will not eat one another, they will eat jellyfish from other species.
In some parts of the world, jellyfish are considered a delicacy, and are sold in restaurants as such. This puts humans on their list of predators as well.Learn more about Jellyfish
Jellyfish eat their prey by first paralyzing them by stinging them, and then drawing the prey in through the mouth, which is a hole in the middle of the jellyfish's body, reports National Geographic. When the jellyfish has eaten and digested the prey, the waste is released through this same hole, or "mouth."Full Answer >
Most species of jellyfish live for less than one year. Some smaller species may only live for a few days. However, a type of jellyfish called Turritopsis is technically immortal, as it can age backwards into a polyp form and then produce hundreds of genetically identical adult forms.Full Answer >
There is a species of jellyfish that theoretically live forever; it is called the Turritopsis dohrnii. It lives in the Mediterranean Sea and around the waters of Japan.Full Answer >
Jellyfish are free-swimming marine animals composed of more than 95 percent water, with bodies consisting of an umbrella-shaped bell and trailing tentacles. Jellyfish are radially symmetrical with a central axis through the length of their bodies. As a result, they have a top and bottom, but no left or right sides, as do most animals whose bodies are bilaterally symmetrical.Full Answer >