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The probable predators of this species are larger sharks. Research from 2002 showed that although juvenile sevengill sharks utilize nursery areas in a similar way, males mature faster than females even if they are the same size and thus males are more likely to leave the nursery area before females. [29]
The Galapagos shark (Carcharhinus galapagensis) is a species of requiem shark, in the family Carcharhinidae, found worldwide.It favors clear reef environments around oceanic islands, where it is often the most abundant shark species.
Gulper sharks can have long resting periods between pregnancies. [2] They are ovoviviparous, meaning the only parental care they give their young is during the incubation period. [5] Since not all oocytes form into pups, when a pup or two is formed inside the female, they eat the remaining fertilized eggs, known as oophagy. [2]
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In the ocean food chain, large sharks generally only have to worry about keeping orcas at bay — but a new study suggests the apex predators may have to watch out for their own.. Researchers have ...
The tiger shark is an apex predator [35] and has a reputation for eating almost anything. [7] These predators swim close inland to eat at night, and during the day swim out into deeper waters. [36] Young tiger sharks are found to feed largely on small fish, as well as various small jellyfish, and mollusks including cephalopods.
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Young sharks are typically born at a length of 32.5–50.0 cm (12.8–19.7 in) and weigh 127–350 g (0.280–0.772 lb). [14] There is an atypical record of a female, caught off Mumbai , carrying a fetus only 23.7 cm (9.3 in) long that was already nearly fully developed, long before gestation was complete. [ 24 ]