How the Garibaldi Fish Farms the Kelp Forests
In How the Garibaldi Fish Farms the Kelp Forests narrator Sir David Attenborough shows how the “farmer” Garibaldi fish keeps the kelp forest healthy. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
Lesson Express
Q: How is the sea urchin a "pest"?
A: It can scrape off and eat all the algae.
Q: Why is the Garibaldi fish called a "farmer"?
A: It tends to a patch of seaweed filled with tiny creatures that it eats.
Q: How does the Garibaldi fish remove the urchins?
A: It picks them up and throws them away.
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