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wattnurt t1_iscrmfr wrote

.... you mean fish? Of course they can smell things, sharks for example are notorious for smelling blood from very far away.

If you are asking about non-aquatic animals, they can breathe as little underwater as you can.

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Mental_Noise_5414 t1_iscwk61 wrote

Do sharks have noses or are their olfactory receptors somewhere else?

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flownyc t1_isdizs9 wrote

Sharks have nostrils in their snout, right where you’d expect them to be.

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Michkov t1_isgvl89 wrote

What are some animals that have olfactory receptors where we don't expect them?

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