Art Attack Hologram Shark Dart Flights (1 Set)

Sharks have not only been around for 400 million years since their first appearance, but they have also managed to survive 5 major planet extinction events that wiped out most life on Earth. The most recent extinction event, which occurred around 65 million years ago, eradicated the dinosaurs, yet sharks continued to thrive.

Shark teeth are sought-after souvenirs and can often be obtained inexpensively on the beach. As sharks continuously shed their teeth, when one falls to the ocean floor, it becomes quickly covered with sand. This process leads to the tooth absorbing sediments such as silica and calcite, causing its color to change from white to gray or brown.

Some sharks possess a Nictitating membrane, which is a protective layer that closes over their eyes when they bite their prey.

While the prehistoric shark Megalodon is commonly known as the largest shark to have ever existed, reaching up to 60 feet (18 meters) in length, there was another fish called the Dunkleosteus that weighed around 4 tons, although it was not a shark. If these two creatures had coexisted, the Dunkleosteus could have posed a formidable threat to the Megalodon.

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