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Conquest of the Waters

Episode 5 of 13

Fish occur in populations of billions and there are over 30,000 species, more than in any other group of backboned animals. The development of the backbone was a crucial advance in evolution -and it probably came from a most unlikely source, a little jelly-like creature called a sea squirt.

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55 minutes

Credits

Role Contributor
Presenter David Attenborough
Producer Richard Brock

Broadcasts

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David Attenborough's favourite moments from 30 years of broadcasting

From close encounters with rare creatures to poignant insight on the state of the planet.