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How do sea cucumbers reproduce? For hundreds of millions of years, sea cucumber has had two methods to reproduce.
How do sea cucumbers reproduce?
1.sea cucumber regenerative ability
After losing the visceral sea cucumber, after a few weeks of growth, the internal organs will be reopened.
It is suitable for water temperature and water quality, even if the sea cucumber is cut half or by the natural enemy, the sea cucumber can reach all the body after a few months, but the premise is that the remaining half must have a head or anal.
2. sexual reproduction of sea cucumbers
The sexual reproduction of sea cucumbers is the formation of embryos through the combination of sperm and ovum, which then hatch into larvae. Most sea cucumbers are dioecious, but some species are hermaphrodites.
- The reproduction of dioecious： sea cucumbers is carried out in vitro. During the breeding season, the male sea cucumbers discharge their semen from the genital pores before the female sea cucumbers begin to lay ovum. ovum and sperm combine in water to form embryos, which hatch into larvae in water.
- The reproduction of hermaphrodite：sea cucumbers is fertilized in vivo and reproduced in vitro. The hermaphrodite ovum cells are first fertilized in the breeding chamber and then discharged into the water, where they hatch into larvae.
How do sea cucumbers reproduce? -video
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