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Do jellyfish have live birth

Updated: 10/6/2023
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9y ago

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Jellyfish do not give birth in the normal sense. The process of releasing jellyfish ephyra into the marine column is called strobilation.

Early in the life cycle of a jellyfish, it takes the form of a tiny stalk attached to the seafloor, and at that point it is called a polyp. The unattached end of this stalk forms a disk shaped bud, that is eventually shed by a process of fission. This process continues until dozens more of these little disks (ephyras) are released.

This type of reproduction is obviously asexual, since each ephyra is a clone of the others, yet a jellyfish is also sexually reproduced, when, near the end of the adult medusa stage of life, a jellyfish releases gametes into the water column to randomly join another gamete from another individual jellyfish.

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8y ago
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8y ago

Neither. Typically, jellyfish gametes fuse during fertilization, in the open sea, neither birthed, nor within an egg. There are a few exceptions to this rule.

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9y ago

No, jellies lay eggs.

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9y ago

No.

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