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  2. Pregnancy in fish - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_in_fish

    A pregnant Southern platyfish. Pregnancy has been traditionally defined as the period of time eggs are incubated in the body after the egg-sperm union. [1] Although the term often refers to placental mammals, it has also been used in the titles of many international, peer-reviewed, scientific articles on fish.

  3. Dwarf seahorse - Wikipedia

    en.wikipedia.org/wiki/Dwarf_seahorse

    During the greeting, the pair change colors and dance together for about 6 minutes. Adult dwarf seahorses are iteroparous, meaning that they have multiple reproductive cycles in the course of their lifetime, in this case 2 per month. [5] [6] Dwarf seahorses remate within 4 to 20 hours after the young have been released from the brood pouch.

  4. Lined seahorse - Wikipedia

    en.wikipedia.org/wiki/Lined_seahorse

    During intercourse, the female sprays her eggs into the males pouch, which is called a "brood pouch", where they are fertilized and sealed. Females clutch size can be equal to or greater than one thousand and the males' brood size can range from 97 to 1,552 eggs. The number of eggs the female produces varies depending on the size of the seahorse.

  5. Seahorse - Wikipedia

    en.wikipedia.org/wiki/Seahorse

    Seahorses should be kept in an aquarium with low flow and placid tank mates. They are slow feeders, so fast, aggressive feeders will leave them without food. [53] Seahorses can coexist with many species of shrimp and other bottom-feeding creatures. Gobies also make good tank-mates.

  6. From the sex lives of pygmy seahorses to parasites living in ...

    www.aol.com/sex-lives-pygmy-seahorses-parasites...

    Seahorses are renowned for mating for life, with the male carrying the eggs. But after following three male pygmies and one female for weeks, Smith discovered that the sex lives of the smaller ...

  7. Superfetation - Wikipedia

    en.wikipedia.org/wiki/Superfetation

    Superfetation (also spelled superfoetation – see fetus) is the simultaneous occurrence of more than one stage of developing offspring in the same animal. [1] [2] [3]In mammals, it manifests as the formation of an embryo from a subsequent menstrual cycle, while another embryo or fetus is already present in the uterus.

  8. Spawning - Wikipedia

    en.wikipedia.org/wiki/Spawning

    In some pipefishes and seahorses, development of eggs takes a long time before the female can place them in the brood pouch of a male, where they are fertilized. While the male is pregnant, the female starts a new batch of eggs, which are ready at about the same time that the male gives birth to the young from the previous mating.

  9. Superfecundation - Wikipedia

    en.wikipedia.org/wiki/Superfecundation

    In 1982, twins who were born with two different skin colors were discovered to be conceived as a result of heteropaternal superfecundation. [7] [5] In 1995, a young woman gave birth to diamniotic monochorionic twins, who were originally assumed to be monozygotic twins until a paternity suit led to a DNA test. This led to the discovery that the ...