Shark Adaptations. In total, sharks have survived five mass extinctions over the last 439 million years. Sharks’ ability to sustain life as the apex of the aquatic ecosystem for more than 400 million years speaks volumes about their physical and behavioral adaptations. The adaptive features of sharks have enabled the species to survive in waters all over the world for more than 400 million years. Blue glaucuses can swallow air … Although the shark is a capable predator in many waters, sharks mainly change their environment when in search of food. Sharp sense of smell- helps find prey. The shark has wide- set eyes to cover more area when hunting. The blue coloring of the blue shark serves to camouflage the shark as it encroaches upon its prey. Some of the most common predators of blue sharks are killer whales, tiger sharks, great white sharks, and of course humans. Some of the early forms of sharks were quite small. We here characterize the genome of the white shark, an apex marine predator. Sadly speaking, humans kill around 10 – 20 million blue sharks each year in the name of fishing. These sharks are the only shark that travel in packs (or schools) to catch prey. SHARKS ADAPTATIONS. The planet Earth can be a difficult place to survive. ... Adaptations. The Blue Shark is a species of shark found almost everywhere in the world and is the most widely distributed shark species. Some others were similar to eels; their faces featured noses that were round rather than pointed. Sharks represent an ancient vertebrate lineage whose genomes have been only minimally investigated. Although the blue shark has few predators, the camouflage does protect it from potential threats. After millions of years of adaptations, more than 500 species of sharks swim the planet's oceans today, and sharks … dorsal fin- helps it move around in the ocean. Averaging around 3.1 m (10 ft) and preferring cooler waters, the blue shark migrates long distances, such as from New England to South America.It is listed as Near Threatened by the IUCN. Its genome is 4.63 Gbp, over half of which is represented by repeat sequences, including a large proportion of transposable elements. They are survivors! It is one of the most easily recognizable sharks because of their distinct blue coloration – a combination of deep indigo and vibrant blue. Blue glaucus can grow up to 1.2 inches (3 cm) long. The bonnethead shark or shovelhead (Sphyrna tiburo) is a small member of the hammerhead shark genus Sphyrna, and part of the family Sphyrnidae.It is an abundant species on the American littoral, is the only shark species known to display sexual dimorphism in the morphology of the head, and is the only shark species known to be omnivorous. behavioral Adaptations. As mentioned before, one of the Blue shark facts is that the Blue shark prefers a habitat of deep, cool waters, making it an epipelagic species. Limiting factor on population Blue glaucuses eat large, venomous prey, such as the Portuguese man o’ war and the blue button jelly, and store their prey’s stinging cells in their bodies to later use against predators. A migratory blue shark rarely travels clockwise around the Atlantic, apparently riding the Gulf Stream to Europe. The blue shark (Prionace glauca) is a species of requiem shark, in the family Carcharhinidae, that inhabits deep waters in the world's temperate and tropical oceans. There is evidence to suggest they looked more like fish. A Tiger Shark swims over coral reef in Fuvahmulah, Maldives. 2. 3. To survive when in search of food can be a difficult place to survive white sharks great. Rarely travels clockwise around the Atlantic, apparently riding the Gulf Stream to Europe to camouflage the shark it! 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