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Fernando Trujillo Colombia Wetland and Freshwater
Amazon river dolphins, Colombia

River dolphins as flagship-species for fishery management and habitat conservation in the Amazon basin, Colombia

River dolphins are amongst the world’s most endangered cetaceans. Virtually wiped out in Asia as a result of competition with people for living space and fish, South America’s rivers present the best chance for ongoing freshwater dolphin survival. However, here too dolphins are persecuted by fishermen, accidentally caught in nets and struggle with water pollution. Recent studies show the Pink River Dolphins endemic to the Amazon and Orinoco basins face a new threat, and are being deliberately killed for export as fishing bait for the large catfish market in Colombia. The situation is a dramatic example of negative fishing practices that are threatening two of the largest river systems of the world.

Dr. Fernando Trujillo is Scientific Director of Foundation Omacha, an NGO established in 1993 to promote conservation of river species and their ecosystems in South America through education and research.

He leads a large team of conservationists who have since the 1990s worked to establish effective management initiatives to protect wildlife such as the giant otter, manatee, turtle and caiman. The Foundation is evaluating the level of competition between fisheries and river dolphins. Central to their work is a strong campaign to stop the killing of river dolphins and other endangered species for use in the catfish industry.

Fernando believes any strategy to introduce management practices in large rivers must link emblematic species such as the river dolphin with the economic activities of local people. Over the past five years, his efforts have focused on encouraging locals, especially fishermen and indigenous people, to take a key role in leading conservation, whilst at the same time developing practices for a healthy aquatic environment which do not harm dolphins. The Foundation is developing economic alternatives to fishing to reduce the pressure on wildlife, including dolphin watching in the Amazon, handicraft creation and a dolphin-friendly catfish certification scheme involving local hotels and restaurants.

Key facts:

  • It is unknown how many river dolphins are killed each year for use as bait in Colombia. Between 30 to 40 per year are killed in the border areas between Colombia, Peru and Brazil.
  • There are no governmental initiatives in place to protect fluvial areas in the Amazon and Orinoco basins, despite their importance to both endangered species and fisheries.
  • There are five freshwater species of dolphin globally.


September 14th 2007

Santa Cruz, Bolivia – South America’s first-ever river dolphin census through the Amazon and Orinoco Rivers and its tributaries has come to an end. In the last 600km stretch along the Itenez River in Bolivia, scientists — led by the Faunagua Foundation (Bolivia) and Omacha Foundation (Colombia), with support from WFN, WWF, the Wildlife Conservation Society and Whale and Dolphin Conservation Society — counted 941 pink river dolphins.

Photo credits: Fernando Trujillo