By the time a human mother is ready to give birth, her 9-month pregnancy 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?
Pacific spiny dogfish can be pregnant for up to 24 months, making them the longest gestational period of any vertebrate. 2021
What is the longest gestation period?
Elephants have the longest gestation period of any living mammal. If you (or someone you know) experience a pregnancy that seems to last forever, don't think of an elephant. It is an animal of nearly two years, one of the longest gestational periods of all living mammals.
Which marine animal is the longest pregnant?
Sperm Whales (535 days) Sperm whales are over 60 feet long and weigh 63 tonnes, the largest of all whales. Sperm whales also have the longest gestation period of 525 days of all marine mammals, after which the female gives birth to a 13-foot newborn calf.
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) Smallest LitterSandtiger Shark1
Below you will find two helpful answers on a similar topic. 👇
What are the 12 vertebrae of the vertebral column?Why do fish peck at each other?
