Silver

Niue Island THE MEGALODON SHARK $2 Silver Coin 2017 Proof 1 oz

Niue Island THE MEGALODON SHARK $2 Silver Coin 2017 Proof 1 oz

$109.90

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Product Code: CO-S-SH-17-01
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Name of series
Fishes	> CLICK TO VIEW THE SERIES
Specifications
Metal	Silver
Mintage	1000
Fineness (% purity)	99.9
Content (Troy OZ)	1
Denomination (NZD)	$2
Weight (g)	31.10
Diameter (mm)	38.60
Year of Issue	2017
Country	Niue island
Edge	Milled
Quality	Proof
Decoration	High relief
Package	Wooden box
Certificate of Authenticity	with a serial number

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✔ Limited mintage just 1000 coins in the world

✔ 1 oz Pure Silver 99.9% purity

✔ Luxury box

✔ Certificate with a serial number

✔ Unique design

Megalodon (Carcharocles megalodon), meaning "big tooth," is an extinct species of shark that lived approximately 23 to 2.6 million years ago (mya), during the Early Miocene to the end of the Pliocene. There had been some debate regarding the taxonomy of megalodon: some researchers argued that it was of the family Lamnidae and closely related to the great white shark (Carcharodon carcharias), while others argued that it belonged to the extinct family Otodontidae; presently, there is near unanimous consensus that the latter view is correct. Its genus placement is still debated, authors placing it in either Carcharocles, Megaselachus, Otodus, or Procarcharodon. The shark has made appearances in several media, such as the Discovery Channel's docufiction Megalodon: The Monster Shark Lives.

Scientists suggest that megalodon looked like a stockier version of the great white shark, though it may have looked similar to the basking shark (Cetorhinus maximus) or the sand tiger shark (Carcharias taurus). Regarded as one of the largest and most powerful predators to have ever lived, fossil remains of megalodon suggest that this giant shark reached a length of 18 meters (59 ft). Their large jaws could exert a bite force of up to 108,514 to 182,201 newtons (11,065 to 18,579 kgf; 24,395 to 40,960 lbf). Their teeth were thick and robust, built for grabbing prey and breaking bone.

Megalodon probably had a profound impact on the structure of marine communities. The fossil record indicates that it had a cosmopolitan distribution. It probably targeted large prey, such as whales, seals, and giant turtles. Juveniles inhabited warm coastal waters where they would feed on fish and small whales. Unlike the great white, which attacks prey from the soft underside, megalodon probably used its strong jaws to break through the chest cavity and puncture the heart and lungs of its prey.

The animal faced competition from whale-eating cetaceans, such as Livyatan and ancient killer whales (Orcinus citoniensis), which likely contributed to its extinction. As it preferred warmer waters, it is thought that oceanic cooling associated with the onset of the ice ages, coupled with the lowering of sea levels and resulting loss of suitable nursery areas, may have also contributed to its decline. A reduction in the diversity of baleen whales and a shift in their distribution toward polar regions may have reduced megalodon's primary food source. The extinction of the shark appeared to affect other animals; for example, the size of baleen whales increased significantly after the shark had disappeared.

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* Extremely high international collector demand
* Highly appreciated in The Investing in Collectible Coins
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