Life on Earth - Conquest of the Waters

Seizoen: 1 - Aflevering: 5 / 5 - Eerst uitgezonden: 13 februari 1979 - Episode ID: 160256

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