Sharks are ‘functionally extinct’ in many global reef systems, study finds

Mongabay
Jul 24, 2020, 9:05 am197 pts
Sharks are the stewards of coral reef systems. As apex predators, they pick off sick and weak fish, leaving the stronger ones to reproduce, which helps maintain the health and vitality of the marine ecosystem. But according to a new study published this week in Nature, sharks have disappeared from many coral…

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