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The thorny issue of the long-spined urchin artwork
Science & Medicine

The thorny issue of the long-spined urchin

RNZ: Our Changing World by RNZ

Mar 2, 202600:26:34Science & Medicine

A native species is taking over a jewel-in-the crown marine reserve. But what can be done? Centrostephanus, the long-spined urchin, is munching its way through the world-renowned rock walls and kelp beds of the Poor Knig...

About This Episode

The thorny issue of the long-spined urchin is an episode from RNZ: Our Changing World by RNZ. A native species is taking over a jewel-in-the crown marine reserve. But what can be done? Centrostephanus, the long-spined urchin, is munching it...

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Episode Details

Published Mar 2, 2026, 00:26:34 long, audio available.

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Questions About This Episode

What is The thorny issue of the long-spined urchin about?

A native species is taking over a jewel-in-the crown marine reserve. But what can be done? Centrostephanus, the long-spined urchin, is munching its way through the world-renowned rock walls and kelp beds of the Poor Knights Islands. DOC, University of Auckland scientists and a local hapū are running removal trials to investigate whether this might be a way to manage its march. Sign up to the Our Changing World monthly newsletter for episode backstories, science analysis and more. … Go to this episode on rnz.co.nz for more details

Where can I listen to The thorny issue of the long-spined urchin?

You can listen to The thorny issue of the long-spined urchin online on Radio and Podcast. Open the player on this page to stream the available audio.

Which podcast is The thorny issue of the long-spined urchin from?

The thorny issue of the long-spined urchin is an episode from RNZ: Our Changing World by RNZ.

How long is this episode?

This episode is 00:26:34 long.

When was this episode published?

This episode was published on Mar 2, 2026.

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Are there related episodes from RNZ: Our Changing World?

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