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At sea, a taniwha often appears as a whale or a large shark [5] such as southern right whale or whale shark; [6] compare the Māori name for the great white shark: mangō-taniwha. In inland waters, they may still be of whale-like dimensions, but look more like a gecko or a tuatara, having a row of spines along the back. Other taniwha appear as ...
Whale sharks' lifespans are estimated to be between 80 and 130 years, based on studies of their vertebral growth bands and the growth rates of free-swimming sharks. [ 9 ] [ 10 ] [ 11 ] Whale sharks have very large mouths and are filter feeders, which is a feeding mode that occurs in only two other sharks, the megamouth shark and the basking shark .
The 2007 film Sharkwater documents ways in which sharks are being hunted to extinction. [15] In 2009, the IUCN Shark Specialist Group reported on the conservation status of pelagic (open water) sharks and rays. They found that over half the pelagic sharks targeted by high-seas fisheries were threatened with extinction. [16] [17] [18]
Sometimes sharks are unwittingly put in harm's way when aquarists include potentially dangerous tankmates in the same aquarium. [7] Hobbyists generally don't think of other fish being a threat to sharks, but triggerfish, angel fish, puffers, and wrasses can all injure them. [7] A large grouper is capable of consuming smaller sharks. [7]
Mackerel sharks, also called white sharks, are large, fast-swimming sharks, found in oceans worldwide. They include the great white, the mako, porbeagle shark, and salmon shark. Mackerel sharks have pointed snouts, spindle-shaped bodies, and gigantic gill openings. The first dorsal fin is large, high, stiff and angular or somewhat rounded.
Top 10 Most Dangerous Christmas Songs To Drive To This Holiday Season. Frosty The Snowman. All I Want For Christmas Is You. Feliz Navidad. Santa Claus Is Comin’ To Town. Happy Xmas (War Is Over ...
Sharkbook is a global database for identifying and tracking sharks, particularly whale sharks, using uploaded photos and videos.In addition to identifying and tracking sharks, the site allows people to "adopt a shark" and get updates on specific animals.
Bodies of water in which sharks can be found include: Seas: all; Freshwater – some species of shark can live both in seawater and freshwater, and include: Bull shark; River shark; Sandbar shark; Depths: from the surface down to depths of 2,000 metres (6,600 ft). A whale shark in the Georgia Aquarium