It’s believed that sharks have good eyesight, especially in low light conditions due to a reflective layer in their eyes called the tapetum lucidum. This reflective layer is found mostly in pelagic, open ocean species that can be in deep, dimly lit water, like this blue shark here. Sharks can however struggle more to see in murky or muddy waters as the murk can block light & reduce contrast. It’s always best to avoid swimming in murky waters to avoid mistaken identity appearing as prey to a shar

9K views · 119 reactions | Nurse sharks might look sleepy, but their...

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