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It seems that they also use sound in protecting themselves from the many
predators that hunt around the reef
predators that hunt around the reef
Full Transcript
00:00:01.000 --> 00:00:03.959
It seems that they also use sound
00:00:05.012 --> 00:00:09.876
in protecting themselves from the many
predators that hunt around the reef.
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Movie Summary
David Attenborough returns to the world's oceans in this sequel to the acclaimed documentary filming rare and unusual creatures of the deep, as well as documenting the problems our oceans face.