Life on Earth
Season 1, Episode 5: Conquest of the Waters
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A look at some of the 30,000 species of fish which exist in populations of billions. They can fly, produce electricity, survive in hot soda lakes or under the Antarctic ice. Some, like the salmon, even migrate across oceans and up waterfalls
All Episodes - Season 1
Episode 1
The Infinite Variety
Episode 2
Building Bodies
Episode 3
The First Forests
Episode 4
The Swarming Hordes
Episode 5
Conquest of the Waters
Episode 6
Invasion of the Land
Episode 7
Victors of the Dry Land
Episode 8
Lords of the Air
Episode 9
The Rise of the Mammals
Episode 10
Theme and Variations
Episode 11
The Hunters and Hunted
Episode 12
Life in the Trees
Episode 13
The Compulsive Communicators