This is perhaps the episode's most harrowing segment, featuring dozens of young men diving 40 meters deep to set massive nets. They breathe through a tangled web of plastic hoses connected to a noisy diesel engine on the surface, risking "the bends" (decompression sickness) every time they dive.
Fishermen in Brazil have a centuries-old partnership with wild bottlenose dolphins. The dolphins herd schools of mullet toward the shore and signal the fishermen precisely when to throw their nets. This cooperation increases the harvest for both species. Human Planet - Ocean...
The episode also touches on the spiritual roots of surfing, tracing it back to ancient Polynesian beliefs where the ocean was not just a resource, but a sacred playground. Environmental Context This is perhaps the episode's most harrowing segment,
Industrial-scale operations are emptying the seas of large predators like sharks and tuna, threatening the survival of the traditional communities featured in the show. The dolphins herd schools of mullet toward the
Daredevil collectors, known as percebeiros , risk their lives on the jagged, wave-battered cliffs of Northern Spain to harvest goose barnacles. These "truffles of the sea" are so dangerous to collect they can fetch over €200 per kilo.