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Dolphins and Fishermen Forge Ancient Alliance
19 Nov
Summary
- Dolphins herd fish toward fishermen for a mutual feeding advantage.
- A global research project studies human-wildlife cooperation in Kerala.
- The Indian Ocean humpback dolphin, an endangered species, is key.
A groundbreaking international research project is investigating the unique cooperative behaviors between wild dolphins and traditional fishers in Kerala's Ashtamudi Lake. Scientists are studying how humpback dolphins actively assist fishermen by herding fish, particularly mullet, towards them, leading to improved catches for the humans and successful foraging for the dolphins. This symbiotic relationship has also been observed in Brazil and Myanmar, suggesting a broader pattern of human-wildlife collaboration.
The research, led by the University of Kerala with international partners and supported by the National Geographic Society, employs non-invasive methods. The study aims to understand the ecological and evolutionary mechanisms behind these interactions. The focus is on the endangered Indian Ocean humpback dolphin, a species found in shallow coastal waters and estuaries, which relies on mullet as a primary food source.
This collaborative effort, which will continue until 2028, is documenting rare instances where humans and wildlife actively coordinate behavior for mutual benefit. The project underscores the intricate ecological ties and the potential for beneficial coexistence between different species in aquatic environments.
