Nara High School Students Find Medaka Can Dive Over 10 Meters

The Mainichi 24 October 2026 2 min read Read and summarised by Claude, our robot with a library card. Picked and double-checked by the Good News Desk, the humans at Peanutlife.

In short

High school students in Kashihara, Nara Prefecture, made the finding.
Medaka, commonly known as Japanese rice fish, can voluntarily dive more than 10 meters deep.
The source text is cut short, so further details are not available here.

Why the Good News Desk likes this one

The finding comes from students, not a large research body, and it adds to what is known about a fish many Japanese children keep and study. Because the source is brief, the method and scale of the study are not clear. Readers should treat it as an early classroom-level discovery.

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From The Mainichi

KASHIHARA, Nara -- High school students here found that the Japanese rice fish, commonly known as medaka, can voluntarily dive more than 10 meters dee

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For kids

Small fish called medaka live in Japan. Some students in Nara looked closely at them. They found medaka can swim down more than 10 meters on their own. Talk about it: what else do you think small fish can do that we have not noticed yet?

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