When a whale dies in the open ocean and sinks to the seafloor, it doesn’t just disappear—it becomes the foundation for an entire ecosystem. This rare event, known as a whale fall, creates a sudden burst of life in the deep sea, turning a single carcass into a thriving “city” that can last for decades.

In this episode, we explore how deep-sea ecosystems develop around a whale fall in stages. First comes the mobile scavenger stage, where sharks, hagfish, and crustaceans strip the body of soft tissue. Then the enrichment stage transforms the surrounding sediment into a nutrient-rich zone, attracting worms, mollusks, and specialized bacteria. Finally, in the sulfophilic stage, microbes break down oils and bones using chemical processes, supporting unique communities that can survive for years in total darkness.

This episode dives into mar ...