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S1 E3 Coral Reefs
本集简介
Coral reefs are home to a quarter of all marine species. Survival in these undersea mega-cities is a challenge with many different solutions.
A turtle heads to the reef's equivalent of a health spa - but she must use trickery to avoid the queue. A remarkable Grouper uses the fish equivalent of sign language to collaborate with an octopus, flushing their prey out of hiding holes.
A metre-long, ferocious-jawed Bobbit Worm hides in its tunnel. Monocle Bream retaliate by squirting water to expose its sandy lair.
