Life on Earth (1979)

S1E5 Conquest of the Waters

This episode explores the astonishing diversity of the 30,000 fish species that thrive in massive populations. Viewers will discover remarkable abilities, such as flying, generating electricity, and enduring extreme environments like hot soda lakes or the frigid depths beneath Antarctic ice. The journey also highlights the incredible migration patterns of species like salmon, which travel vast ocean distances and conquer waterfalls in their quest to reproduce.