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Play Sound Coordinating their attack, they divide and conquer. Herders work to split the shoal. Then in come the big hitters, slamming their tails, creating a shockwave, stunning up to 30 fish with each blow.
Coordinating their attack, they divide and conquer. Herders work to split the shoal. Then in come the big hitters, slamming their tails, creating a shockwave, stunning up to 30 fish with each blow.

This sound clip is from:

Description: A look at the world's harshest landscapes and the animals that have adapted to live there.

Cast:
Narrator: Bear Grylls
Narrator: China: Cong Liu

Production: Plimsoll Productions, National Geographic, Tencent Penguin Pictures, Cristian Dimitrius Productions

Release date: 01 Apr 2019