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When a female shark is ready to breed, she is supposed to send out pheromones or chemical signals to alert any males nearby. Most shark species have never been seen mating in the wild as mating occurs most often in deep or muddy seas. Reproduction occurs between March and May, with births occurring between April and June of the following year. Sharks have internal fertilization and so can lay eggs, or can directly give birth to their babies. So, for doing so they do need to mate first. Such type of aggressive bitting is just a way to win over their partners or competitors for mating with a female or between other females to mate with a male.

This is the third in our series of 'I want to know about...' blogs. This one will cover the topic of shark reproduction. As it is often difficult to deduce ecosystem roles in easily studied environments, it comes as no surprise that nothing is known about goblin sharks' role in the mid-water or benthic community besides its role as a predator. Economic Importance for Humans: PositiveLedgerwood said none of the Dunedin old-timers had ever heard of, or witnessed such an event, and many could make no sense of what the ageing fisherman had seen.

However, not all sperm are used at the same time. The brownbanded bamboo shark, for instance, can reserve sperm for later use. Some females also mate with multiple males and fertilize their eggs with diverse sperm, resulting in various fathers for the pups in the same litter. How Do Sharks Lay Eggs? Uterine oophagy is another type of viviparity that is seen in some shark species. In this type of viviparity, the embryos feed on unfertilized eggs produced by the mother. The eggcases are often camouflaged to blend in with their surroundings, making them less visible to predators. Egg-Laying HabitsSharks invest a lot of energy into producing a few, well-developed young. Who have a good chance of survival. With the question “how do sharks mate?” answered, it’s time to discover just how sharks produce new life, following the process.