Shark👀 what shark has the fastest reproduction process? Either concerning pregnancy/hatching time, number of babies or times a year they can reproduce 👀
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Shark reproduction is actually pretty slow tbh. They take YEARS to reach maturity and don't often have a large amount of actual offspring despite some sharks having 130+ pups because they don't all survive. Sharks are still other predators meals when they're young and since it takes so long to mature, the reproduction rates of sharks is pretty abysmal.
In regards to how often sharks tend to reproduce, the average is around once every 3 years once a shark reaches maturity (which can be well over a decade from their own birth, mind, some even take two decades or more). Not all attempts are successful and depend greatly on the type of shark species. Some shark species utilise multiple matings (one female, many partners) to increase success rates of actually producing offspring, others don't.
For how long a shark pregnancy can last, that too depends on the shark species. Generally, it's between 9 months and 2 years.
And of course, there's different types of reproduction methods that shark species utilise too. Which are:
Oviparity aka the shark lays the eggs which have a hard case to protect them. These are what tend to be called "mermaid purses" btw. Around a third of shark species are oviparous (lay eggs).
Viviparity aka what we consider regular pregnancy of carrying offspring in the womb for the gestation period and giving live birth. Again, around a third of shark species are viviaparous (spit them babies out).
Ovoviviparity aka a mix up of the other two methods. Shark produce the eggs but don't lay them outside the womb. They hatch inside, develop a bit longer, then live birth happens.
So, with all of that, the shark with the shortest reproduction time is actually the same as the shark with the shortest gestation period. I'm genuinely surprised.
So in answer to your question:
[Image source: wikipedia]
Blue Sharks reach maturity the fastest. They reach maturity at 5 years. They can have around 35 pups on average and take about 9 months to a year for gestation.