Category: Sharks and Rays

Underwater Fact 88

The Epaulette Shark (Hemiscyllium ocellatum) is a walking shark that can survive for one hour without any oxygen supply.

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Most Sharks and Rays are negatively buoyant. Means, if they don’t swim, they sink.

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Whale Sharks (Rhincondon typus) are the largest of all living fishes.

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The Great White Shark continues to represent its bad image occasionally in contrast to researching organisations trying to educate people about these enormously intelligent creatures:

Like young Greynurse Sharks, Great White Sharks growing in their mother’s uterus eat other growing babies and eggs.

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Underwater Fact 63

Due to an explosion in shark fishing across the globe, shark numbers have declined by a staggering 90% throughout our oceans.

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Underwater Fact 59

Over millions of years sharks and rays have evolved to become perfectly adapted to the ocean environment. However, some of the traits that have helped them become so successful have also made them vulnerable to human impacts.

Shovelnose Ray   © Sophia Volzke

The Giant Shovelnose Ray seems to be the visualisation of the fact that sharks and rays fall into the same class of species.

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Bull sharks are widespread coastal and freshwater sharks inhabiting shallow waters in bays, estuaries, rivers, and lakes. They have a unique ability to reduce or increase the saltwater concentration in their blood which enables them to penetrate hundreds of kilometres up rivers.

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