Research Shows Sharp Fall in Australian Shark Numbers

Shark numbers along the Queensland coast have declined by more than 90 percent for some species in the past five decades, according to new research that calls for better protection for threatened species in Australian waters. Australia has 170 types of sharks out of about 440 species globally. Great white and grey nurse sharks are listed as threatened in Australian waters. Researchers from the University of Queensland and Griffith University have analyzed data from shark control...

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