A combination of strong currents, severe winds and the weak propulsion system of the jellyfish makes these creatures susceptible to washing ashore. According to ReefEd, a service of the Great Barrier Reef Marine Park Authority, jellyfish have only a weak internal pumping mechanism that allows them to float, but they cannot steer away from danger. When jellyfish are caught in a strong current, they have no means of escape.Know More
Strong weather systems like hurricanes and regular events like the full moon both affect jellyfish. The pull of the full moon exacerbates strong currents, making jellyfish more likely to wash ashore. A small number of jellyfish are pushed ashore by the regular changing of the tides, but deposits of hundreds of jellyfish are the result of unusual tidal activity.
However, washing ashore is part of the natural life cycle of jellyfish, says Matt Babineau of the North Carolina Aquarium at Fort Fisher. Jellyfish are 98 percent water. When they wash up on shore, jellyfish quickly dry out and die. However, Babineau advises against picking up jellyfish or throwing them back into the ocean. Some jellyfish are harmless, but others have powerful, painful deadly stings. Additionally, the jellyfish cannot fight against the tidal conditions that washed them ashore, so any jellyfish thrown back into the ocean are likely to wash ashore again.Learn more about Jellyfish
A jellyfish may have from eight to hundreds of tentacles depending on its species. Jellyfish tentacles also vary greatly in size, from a few feet to over a hundred feet in length.Full Answer >
The weight of a jellyfish depends on the species. One of the more common species, the deadly box jellyfish, can weigh up to about 5 pounds.Full Answer >
Most jellyfish are translucent, often umbrella shaped organisms which come in a variety colors and sizes - some larger than a human and some as small as a pinhead. Though the majority of jellyfish are harmless to humans, there are a few species, such as the Portuguese man-of-war, that can cause severe injury and even death.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 >