Pacific spiny dogfish can be pregnant for up to 24 months, the longest gestation period of any vertebrate. 4авг. 2021
How long will sharks continue to become pregnant?
Pregnancy lasts for years in some species. Some scientists estimate that basking sharks can last up to 3.5 years. Frilled sharks can also carry puppies for over 3 years. Some small species are on the other side of the spectrum. Hammerhead sharks, for example, give birth after about five months.
Can sharks become pregnant for 4 years?
Marathon pregnancy. By the time a human mother is ready to give birth, her nine-month gestation can feel like eternity. Some scientists estimate that basking sharks have a gestation period of 2.6 to 3.5 years, but other researchers disagree with this. .20апр. 2017
Which species has the longest gestation period?
Elephants have a longer gestation period than living mammals. Share: Elephants have the longest gestation period of any living mammal.
How long is the tiger shark pregnant?
Pregnant tigers do not have a placenta. Rather, they produce uterine milk to nourish growing puppies. Tiger moms have a long gestation period (up to 16 months) and give birth to 10 to 83 puppies. Newborn sharks appear with fins of several sizes that are too large for the body.
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