This is an I-Heart podcast.

Guaranteed Human.

Welcome to Creature Future production of IHeart Radio.

I'm your host of Many Parasites, Katie Golden.

I studied psychology and evolutionary biology.

And today on the show, I'm answering your questions.

That's right.

Your questions about animal behavior, about biology, about sometimes pets.

You can send me your questions at creaturefeaturepod.com.

And I do my best to answer them. Got some really good questions this time around so let's get right into it.

Here is the question.

I've been breathing here since shortly after I was born so maybe it's hard to think about having gills.

We can't smell anything without drawing air through our nostrils.

How do fish smell?

And how do sharks smell blood in the water from miles away?

Do they smell with their gills or something?

This is from JT, and I do want to point out the title of the email because it's very funny it is do fish

smell fishy to fish so very good question and yes so fish do smell fishy to fish in the sense that fish can smell other fish and other things in the water.

So this is a great question.

Smells work a little differently underwater.

So up here in the air, molecules are carried by the air.

We inhale them, and they go up in our nostrils, and they bind to olfactory receptors in our nasal cavity.

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