Fredrik Nyhagen

Fredrik Nyhagen

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Fredrik Nyhagen
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A basking shark off the Inner Hebrides, Scotland

Basking shark (Cetorhinus maximus) with mouth wide open feeding on plankton concentrated in surface waters close to the island of Coll, Inner Hebrides, Scotland.

The study by marine biologists from the Dyer Island Conservation Trust at Gansbaai in the southern Cape found that the total number of great white sharks in Gansbaai might be as much as 50% lower than the previously estimated. By taking more than 20 000 photographs of sharks’ dorsal fins over five years in Gansbaai – where the world’s densest population of the species is located – scientists were able to identify only 532 sharks in the area.

While the world's attention is on the threat to the rhino, a new study has found that the great white shark might be in even greater danger of becoming extinct than previously thought.