Uploaded February 2026 | Updated September 2026, 2 weeks ago

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To protect his young, this Banggai cardinal fish dad carries their eggs in his mouth — fasting for nearly a month. Surrounded by predators, his sacrifice gives his offspring the best possible start in life.

"Parenthood: Oceans" premiered February 18, 2026, at 8|7c on PBS and YouTube.

**More info & videos below**
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Nature is a production of The WNET Group for PBS. Throughout its history, Nature has brought the natural world to millions of viewers. The PBS series has been consistently among the most-watched primetime series on public television.

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More videos:
Bee Mating Ritual Caught on Camera - youtu.be/6eQto9l7BTw
Bullfrog Dad Protects His Tadpoles - youtu.be/l3uO2lO9JDk
Leopard Hunts Baboon in Broad Daylight - youtu.be/pLJwsLH_7sg
Meet the Deadliest Cat on the Planet - youtu.be/nl8o9PsJPAQ
Octopus Dreaming - youtu.be/0vKCLJZbytU


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