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Pregnant male seahorse. Male pregnancy is the incubation of one or more embryos or fetuses by organisms of the male sex in some species. Most species that reproduce by sexual reproduction are heterogamous—females producing larger gametes and males producing smaller gametes ().
Seahorse life-cycle. The male seahorse is equipped with a brood pouch on the ventral, or front-facing, side of the tail. When mating, the female seahorse deposits up to 1,500 eggs in the male's pouch. The male carries the eggs for 9 to 45 days until the seahorses emerge fully developed, but very small. The young are then released into the water ...
When mating, the female seahorse deposits up to 1,500 (average of 100 to 1,000) eggs in the male's pouch, located on the ventral abdomen at the base of the tail. Male juveniles develop pouches when they are 5–7 months old. The male carries the eggs for 9 to 45 days until the seahorses emerge fully developed, but very small.
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 ...
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The most defining characteristic of Syngnathiformes is their reproductive and sexual system, in which syngnathid males become "pregnant" and carry the embryonic fry. The males house the fertilized eggs in an osmo-regulated brood pouch, or (in some species) adhere them to their tail, until the eggs reach maturity.
The spiny seahorse has a carnivorous diet and feeds on small crustaceans and other planktonic organisms. [3] [7] It is ovoviviparous and the female uses an ovipositor to transfer her eggs into an enclosed pouch under the abdomen of the male. [3] It is the male who broods the eggs in its ventral brood pouch.
Gestation lasts a few weeks, then males will release the eggs without caring for them. Generally, males are ready to breed again almost immediately after giving birth. Though little is known about the great seahorse's specific breeding habits, many related seahorses have been studied and were found to occasionally be monogamous.