Mackerel Predators Follow Their Vibrations
In Mackerel Predators Follow Their Vibrations, narrator Sir David Attenborough explains how spotted dolphins travel, play, and find prey, and how sailfish have adapted a strategy to catch schooling mackerel. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.
Lesson Express
Q: How do the dolphins detect the mackerel and how do the mackerel know the dolphins are coming?
A: They both can detect each other’s presence through sonar.
Q: How do the mackerel defend themselves?
A: The mackerel gather into a ball to protect themselves.
Q: What effect does the sailfish’s changing colors have on the mackerel?
A: The changing colors confuse the mackerel, making them more vulnerable.
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