However, globally many species of sharks are in decline due to overfishing, bycatch, climate change and more. Apex predators, like sharks, can impact the distribution and abundance of their prey most obviously by killing and consuming them.
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Sharks help to weed out the weakest members of a fish school, sharks increase the likelihood that only the most genetically fit (largest, strongest, healthiest) fish will survive to reproduce! In addition, apex predators can also impact their prey through “risk effects”!
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By shifting their feeding areas or changing their feeding behaviors to avoid predators in response to risk effects, prey can subsequently impact the behaviors and abundance of other organisms, which can result in trophic cascades.
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Love the oceanic WT.
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