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Series · 2009

Changing Seas

Submerge. Discover. Engage.

Craig Sechler
Changing Seas poster
27 Jan 2009First aired
18Seasons

The series

Produced by South Florida PBS in Miami, Florida, Changing Seas gives viewers a fish-eye view of life in the deep blue. Join scientists as they study earth’s last frontier and discover the mysteries of our liquid planet.

Episodes

Season 8 · 4 episodes · 2016

  1. Episode 122 Jun 2016

    Sponges: Oldest Creatures in the Sea?

    Until recently there was scientific consensus that sponges were the first animals to branch off the “Animal Tree of Life,” a kind of family tree for all living and extinct animals on earth. But recent DNA research has cast doubt on that th…

  2. Episode 222 Jun 2016

    Manatees: Conserving a Marine Mammal

    Every winter, hundreds of manatees aggregate at Crystal River, Florida, attracted by the warmer, spring-fed clear waters. This sanctuary is also a treasure for scientists, who take advantage of these manatee gatherings to study them. From …

  3. Episode 328 Jun 2016

    Maug's Caldera: A Natural Laboratory

    In the remote Pacific, the islands of Maug rise out of the sea. Formed by an ancient volcano, shallow hydrothermal vents are found close to coral reefs inside the submerged caldera. These vents emit levels of CO2 that can be expected in th…

  4. Episode 428 Jun 2016

    Beneath the Bridge

    The Blue Heron Bridge in Riviera Beach, Florida, is known as one of the best shore dives in the United States. What appears as an unlikely dive site at first is home to a rich variety of marine life, ranging from tiny nudibranchs to manta …

Cast

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