How and Why Orcas are Dominating False Bay
13 JUNE 2023
BY LINNEA
Until recently, False Bay was globally renowned for its dense population of great white sharks.
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However, sudden disappearances have left researchers and marine biologists perplexed.
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This mystery was gradually unraveled with the increased sightings of orcas.
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While these magnificent creatures have always existed around South African waters, their deliberate forays into False Bay are a recent development.
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Further, it is widely accepted that orcas prey on sharks, explicitly targeting their liver, a nutrient-rich organ full of fat.
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This alarming dietary preference can explain the sharks’ sudden disappearance.
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This shift in apex predators is not without consequences.
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The decline of great white sharks, key players in the marine food chain....
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...has led to a surge in the populations of mid-level predators like seals and smaller shark species.
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This imbalance can greatly impact the ecosystem’s overall health, affecting everything from the kelp forests to the local fisheries.
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