# How Do Fish Even Breathe Underwater? Science for Kids

An episode of [Dad, How Does It Work? Science Podcast for Kids](https://invisiblenetwork.ai/podcast/1877456012), 19 Mar 2026, 5:52.

Audio: https://anchor.fm/s/10eb0cbb0/podcast/play/117185295/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-2-19%2F205a7535-227a-d410-e33a-ff971c6cb963.m4a

You’re watching a fish and suddenly it hits you… it never comes up for air. Its mouth keeps opening and closing like it’s chewing water. But water isn’t air… so what is it actually doing? Then you notice those little flaps on the sides moving too. Something is flowing through its body all the time. And somehow… it’s getting oxygen without ever leaving the water.

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