The Dangerous Life of Yellowfin Tuna Hatchlings
In The Dangerous Life of Yellowfin Tuna Hatchlings, narrator Sir David Attenborough describes the risks that baby tuna face, starting when they are eggs. Predators, including seabirds from above and comb jellies from below, feed on the eggs. 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: What are the odds that a baby tuna will reach adulthood?
A: The odds of the tuna making it to adulthood are one in a million.
Q: What are some of the things the currents do?
A: The currents trap nutrients and plankton, and carry the young tuna.
Q: Where do the sardines travel?
A: The sardines travel along the boundaries of the currents where food is most abundant.
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