Sri Lanka's Dolphins: Conservation Challenges and Success Stories

 


Sri Lanka is home to a remarkable diversity of marine mammals, with around 27–28 species of whales and dolphins recorded in its waters, alongside the rare dugong. Among them, dolphins hold a special place as both ecological treasures and charismatic ambassadors for marine conservation. Their presence has not only enriched the island’s biodiversity but also created opportunities for ecotourism, with destinations such as Kalpitiya and Mirissa.

Yet, despite their popularity, dolphins in Sri Lanka face serious conservation challenges. One of the most critical threats comes from bycatch in gillnet fisheries, particularly those targeting tuna. Thousands of dolphins are accidentally killed each year after becoming entangled in synthetic fibre gill-nets. Unregulated dolphin-watching tourism presents another growing concern. While the industry has generated income for local communities, the lack of consistent guidelines for boat operators has raised fears of stress and behavioral disturbance among dolphin populations.

Despite these threats, Sri Lanka has witnessed important successes in dolphin conservation, thanks to the NGOs, and local communities. Organizations such as ORCA and Natcog have been at the forefront of advocacy and awareness, campaigning against dolphin hunting and training coastal communities in marine stewardship. Oceanswell, founded by renowned marine biologist Asha de Vos, has played a vital role in research and education, bringing international attention to Sri Lanka’s marine mammals and engaging young scientists in conservation. The Sri Lanka Wildlife Conservation Society and local NGOs in Kalpitiya have led projects. These projects not only support dolphins but also strengthen coastal resilience, ensuring healthier marine environments for both wildlife and peoples.

Arunodini Imalshika
Oceanography Club
Oceanography Department
Ocean University of Sri Lanka

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