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The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [2] Listed below are extant species of shark. Sharks are spread across 556 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...
The shark was first spotted in Mexico by researcher Mauricio Hoyos Padilla. Deep Blue was featured on the Discovery Channel's Shark Week. The shark was spotted by marine biologists studying tiger sharks near the island of Oahu, Hawaii. Various videos show the shark as calm and non-aggressive around humans and even dolphins. [1] [2]
Sharks are a secondary threat to the player character in the 1984 Taito game, Sea Fighter Poseidon. Sharks are underwater enemies in a few entries of both the Mario and Donkey Kong franchises. Sharks are occasional enemies in the Ecco the Dolphin series. Finding Nemo, a video game for GameCube, PlayStation 2, Xbox, Game Boy Advance and Windows.
The megamouth shark is an extremely rare species of deepwater shark, and the smallest of the three filter-feeding sharks. Since its discovery in 1976, only a few megamouth sharks have been seen, with 55 specimens known to have been caught or sighted as of 2012, including three recordings on film.
The bigeyed sixgill shark (Hexanchus nakamurai) is a cow shark of the family Hexanchidae. Its dorsal surface has a brownish-gray color, and is sharply separated from the light coloring of its ventral surface. The eyes are a fluorescent green while the shark is alive. The body of this shark is small, slim, and fusiform in shape.
(INSIDE EDITION) — It's a whole new way to spot the ocean's scariest creatures -- a shark drone! Lifeguards at Seal Beach, just south of Los Angeles, are turning to technology to keep swimmers safe.
In the time that Shark Tank has been on the air, America has come to fall in love with Mark Cuban, Lori Greiner, Barbara Corcoran, Daymond John, Robert Herjavec, and Kevin O'Leary aka Mr ...
Sharks swimming outside shark-proof cage with people inside (from Shark cage diving) Image 10 White shark cage diving near Gansbaai in South Africa (2015) (from Shark cage diving ) Image 11 A 14-foot (4.3 m), 1,200-pound (540 kg) tiger shark caught in Kāne'ohe Bay , Oahu , in 1966