Marathon pregnancy. By the time a human mother is ready to give birth, her nine-month gestation can feel like eternity. However, human pregnancy is a rapid problem compared to the spiny dogfish (up to 2 years), one of the longest confirmed pregnancies in vertebrates. The 20th. 2017 г.
Which shark has the longest gestation period?
Some shark species carry juveniles in the womb, similar to mammals. Spiny dogfish can be pregnant for up to 24 months and are the longest gestational animals.
Which fish has the longest gestation period?
However, this is far outweighed by the eel-like frill sharks (Chlamydoselachus anguineus) found off the coast of South Africa and Chile. This shows that Japanese scientists have a gestation period of 42 months.
Which shark has the shortest gestation period?
Top FactWinnerSharpest Electrosensitive (Experiment) Smooth Dogfish (Mustelus canis) Sharpest Hearing Shark (Determined by experiment) Silky Shark (Carcharhinus falciformis) Shortest Gestation PeriodGrey Bambooshark (Chiloscyllium griseum) Which animal has the longest pregnancy period?
Elephants have the longest gestation period of any given animal.
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