Science & technology | Flying fish

Meet Japan’s hitchhiking fish

Medaka catch rides on obliging birds, confirming one of Darwin’s hunches

Low angle view of grey heron feet.
Any chance of a lift?Photograph: Bence Mate / naturepl.com

THE JAPANESE picture book “Soratobu medaka” tells the extraordinary tale of tiny stream-dwelling fish called medaka hitching a ride on an obliging bird to a far-off freshwater pool. The story has delighted children in the country since 1999, when it was first published, but now comes an even more delightful twist: it is true.

This article appeared in the Science & technology section of the print edition under the headline “Flying fish”

From the October 12th 2024 edition

Discover stories from this section and more in the list of contents

Explore the edition

More from Science & technology

A person blowing about a pattern in the shape of a brain

Can you breathe stress away?

It won’t hurt to try. But scientists are only beginning to understand the links between the breath and the mind

The Economist’s science and technology internship

We invite applications for the 2025 Richard Casement internship


A man sits inside a pixelated pink brain while examining a clipboard, with colored squares falling from the brain

A better understanding of Huntington’s disease brings hope

Previous research seems to have misinterpreted what is going on


Is obesity a disease?

It wasn’t. But it is now

Volunteers with Down’s syndrome could help find Alzheimer’s drugs

Those with the syndrome have more of a protein implicated in dementia

Should you start lifting weights?

You’ll stay healthier for longer if you’re strong