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Spiny dogfish pup. The spiny dogfish has dorsal fins, no anal fin, and white spot along its back. The caudal fin has asymmetrical lobes, forming a heterocercal tail. The species name acanthias refers to the shark's two spines. These are used defensively.
Even at a young age, spiny dogfish pups may hunt fish two or three times their size. [ citation needed ] Unlike virtually all other shark species, dogfish sharks possess venom which coats their dorsal spines; this venom is mildly toxic to humans and would be harmful if the shark were to be mishandled.
Greenland shark meat is produced and eaten in Iceland where, today, it is known as a delicacy called hákarl. To make the shark safe for human consumption, it is first fermented and then dried in a process that can take multiple months. The shark was traditionally fermented by burying the meat in gravel pits near the ocean for at least several ...
A female shark has hatched an egg without it being fertilised by a male, a zoo in Illinois has said. Brookfield Zoo said the hatching of an epaulette shark pup was not unusual, but the way in ...
Once the baby sharks are born, they are not taken care of by the parents in any way. Usually, a litter consists of 12 to 15 pups, except for the great hammerhead, which gives birth to litters of 20 to 40 pups. These baby sharks huddle together and swim toward warmer water until they are old and large enough to survive on their own. [18]
Pacific angel shark pups are born from March to June in deep water; generally 180 to 300 feet (55 and 90 metres); possibly to protect the pups from predators. [ 6 ] Angel sharks usually reside in depths of 1–200 metres (3.3–656.2 ft) and can be seen on muddy or soft benthic substrata where they can easily blend in as they lie in wait.
This shark is aplacental viviparous with oophagy, developing embryos being retained within the mother's uterus and subsisting on non-viable eggs. Females typically bear four pups every year. Only a few shark attacks of uncertain provenance have been attributed to the porbeagle.
In the ocean deeps, a whitetip shark named Julius and his friend Pup the brownbanded bamboo shark play around the ocean bed, when two human divers steal several shark eggs (Pup's siblings) from the reef, despite Pup's efforts to prevent it. To light up the Pup, Julius takes him to his sunken ship for dinner, but Pup is too upset to eat anything.