Why is it advised to remove shiny objects like watches before swimming?

Answer

They reflect light and mimic the flash of fish scales, attracting unwanted attention

In murky water, where visibility is already compromised, sharks rely on movement and light cues to identify potential food sources. Jewelry, watches, and other shiny accessories reflect sunlight, creating flashes that resemble the scales of small fish. This optical mimicry can trigger a shark's natural hunting response, leading it to investigate the swimmer. Removing these items reduces the chances of a shark misidentifying a human as a target in low-visibility conditions.

Why is it advised to remove shiny objects like watches before swimming?
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