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Depending on the species of jellyfish, there are two main ways to sexually reproduce. For the most part, most jellyfish release the sperm in the water. Then, females will eat the free-swimming sperm. A male Copula sivickisi, at the end of their courtship dance, will pass a spermatophore, or a sperm packet to the female.
Throughout their lifecycle, jellyfish take on two different body forms: medusa and polyps. Polyps can reproduce asexually by budding, while medusae spawn eggs and sperm to reproduce sexually. Learn more about the lifecycle and reproduction of jellyfish.
There are a few jellyfish species that receive sperm through their mouths to fertilise eggs inside the body cavity, but most jellyfish just release sperm or eggs directly into the water. Under favourable conditions they will do this once a day, usually synchronised to dawn or dusk.
Jellyfish reproduction involves several different stages. In the adult, or medusa, stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water,...
Free-living and pelagic jellyfish reproduce sexually. Jellyfish eggs are incubated between the mother's tentacles. After it develops sufficiently, a larva called a planula is born.
Jellyfish reproduce sexually by releasing eggs and sperm into the water. The male jellyfish releases sperm, which then fertilizes the eggs of the female jellyfish. Once fertilized, the egg develops into a free-swimming larva called a planula.
Like most other animals, jellyfish reproduce sexually, meaning that adult jellyfish are either male or female and possess reproductive organs called gonads. When jellyfish are ready to mate, the male releases sperm through the mouth opening located on the underside of its bell.
True jellyfish have a complex life cycle that allows them to quickly take advantage of favorable environmental conditions. This is achieved by alternating with each generation between reproducing sexually (with sperm fertilizing eggs) and asexually (by cloning themselves).
How do jellyfish reproduce? Jellyfish change form significantly as they move through their life cycle. “Jellyfish release eggs and sperm into the ocean where they get fertilised,” explains Miranda.
Jellyfish reproduce both sexually and asexually based on their life stage. Adult jellyfish, or medusae, produce eggs and sperm that combine to form fertilized eggs. Meanwhile, in the asexual phase, stages like the polyp can create offspring without mating.