Even though they are long, they can be very slender. The blue shark is a more active hunter at night, but they have been observed feeding throughout an entire 24-hour period. Shark | Blue Shark Predator | Shark Ocean Gift | Shark T-Shirt. Outise of British waters, Blue Sharks are known to be eaten by larger sharks, such as the Great White and Tiger Shark. Many shark populations are threatened by human activities. Most victims of swordfish stabbings in the Mediterranean have been blue or mako sharks. Sometimes blue sharks hunt as a "pack" and herd their prey. It lives as far north as Norway and as far south as Chile. Predators of blue sharks include killer whales (Orcinus orca) and larger sharks, such as the white shark (Carcharadon carcharias) and shortfin mako shark (Isurus oxyrinchus). Its diet includes octopus, squid, mackerel, tunas, lobsters, crabs, small sharks and occasionally seabirds. Blue sharks can be considered apex predators within their ecosystem, meaning they are at the top of their food chain. Sadly speaking, humans kill around 10 – 20 million blue sharks each year in the name of fishing. Predators of the blue shark include the California sea lion and larger sharks such as the Shortfin mako shark, and the Great white shark. It's related to the blacktip shark, blacknose shark, and spinner shark. They are viviparous, with a yolk-sac placenta, delivering four to 135 pups per litter. [5] The blue shark is fairly elongated and slender in build and typically weighs from 27 to 55 kg (60 to 121 lb) in males and from 93 to 182 kg (205 to 401 lb) in large females. Megalodons, the Ocean’s Most Ferocious Prehistoric Predators, Raised Their Young in Nurseries The fossils shed light on how these sharks were raised and what led to their ultimate demise Small fish swim at phenomenal speed and form a daunting bait ball in a desperate attempt to ward off hungry predators. Most commercially caught blue sharks are considered bycatch. It also has long, pointy fins, a lengthened body and particularly large eyes, giving it the appearance of being somewhat perpetually interested and curious. The blue shark is a more active hunter at night, but they have been observed feeding throughout an entire 24-hour period. They tend to follow a migration pattern that runs from the Gulf Stream to the Caribbean. In temperate regions, they may be found offshore, but in tropical waters, they have to swim deeper to seek a comfortable temperature. In fact, the largest recorded specimen was 12 ft. long, but this is out of the norm. Blue sharks can be considered apex predators within their ecosystem, meaning they are at the top of their food chain. Blue sharks display deep blue color from the top while its undersides are white. The fins are used to make shark-fin soup, while the liver yields oil. The Mako Sharks are the main antagonists of the 1999 sci-fi horror filmDeep Blue Sea. They were genetically engineered to harvest protein complex for a cure for Alzheimer's, but they were later shown to be more intelligent and dangerous than spoken. Its triangular teeth allows it to easily catch hold of slippery prey. As Blue Sharks are often seen in groups, and sometimes referred to the “wolves of the sea.” The main predators of blue sharks are humans. Shark Killed by Swordfish Prompts Fears of Overfishing Impact on Ocean Predators. Shark vs. $1.79 +$3.75 shipping. Blue shark, also called great blue shark, (Prionace glauca), abundant shark of the family Carcharhinidae found in all oceans, from warm temperate to tropical waters. Froese, Rainer and Pauly, Daniel, eds. Like other requiem sharks, blue sharks do not do well in captivity. [17], Blue sharks, like most pelagic sharks, tend to fare poorly in captivity. Affiliation: Sharks Allies: Small Twin Sharks. The distribution of blue marlin can be found through out the tropical and subtropical region. Free shipping. Pages 45-48 in: MD Grosslein and T Azarovitz (editors), Ecology of the Middle Atlantic Bight fish and shellfish - Monograph 15, Fish Distribution, MESA New York Bight Atlas, NY Sea Grant, Albany, NY. [citation needed] The meat is edible, but not widely sought after; it is consumed fresh, dried, smoked and salted and diverted for fishmeal. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. Averaging around 3.1 m (10 ft) and preferring cooler waters,[3] the blue shark migrates long distances, such as from New England to South America. This species is also often the victim of several different types of parasites; for example, they easily become infected by the tetraphyllidean tapeworm by eating other hosts of the parasite. The largest blue shark ever caught in UK seas weighed a whopping 256lbs (116kg) and measured over 9ft (2.74m). Maximum lifespan is still unknown, but it is believed that they can live up to 20 years.[4]. The blue shark is the most harvested shark species within the European Union. While they'll readily accept food, they tend to injure themselves by running into the walls of their tank. Jetzt bestellen! Young and smaller individuals may get eaten by larger sharks, such as the great white shark and the tiger shark. She has taught science courses at the high school, college, and graduate levels. Predators. The heaviest reported weight for the species was 391 kg (862 lb). The blue shark, Prionace glauca, is commonly referred to as the "blue dog" in the Northeast. Their primary diet consists … The Blue Shark, so called for is indigo colouring, is characterised by an elongated, rather prominent, snout. Killer Whales are also known to feed on them. [18] Small blue sharks, up to 1 m (3.3 ft) long, are relatively easy to transport to aquariums, but it is much more complicated to transport larger individuals. It becomes infected by eating intermediate hosts, probably opah (Lampris guttatus) and/or longnose lancetfish (Alepisaurus ferox). The pups are an important food source for other predators, but sharks that survive to maturity may live 20 years. Typically, female individuals are larger than the males. The shortfin mako can reach a size of 4 m (13 ft) in length. [20] The species is listed as Near Threatened by the IUCN.[2]. Like many other sharks, blue sharks are countershaded: the top of the body is deep blue, lighter on the sides, and the underside is white. item 4 Shark: The Ocean's Greatest Predators BBC-(Blu-ray Disc, 2015-FS) - New Blu-Ray 4 - Shark: The Ocean's Greatest Predators BBC-(Blu-ray Disc, 2015-FS) - New Blu-Ray. 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