Atlantic humpback dolphins

Find out more about the ecology, distribution, abundance and conservation status of this Critically Endangered species, and the threats that are causing its decline.

Interactive Map

Atlantic humpback dolphins are only found in the nearshore waters of the tropical and subtropical Atlantic coast of Africa.  Sightings, strandings and bycatch records confirm the species’ current or recent presence in 13 countries between Angola in the south and Dakhla Bay, south of Morocco in the north. A lack of records from the remaining six countries within that range could be the result of the very limited research that has taken place in the region to date, or reflect a genuine absence of humpback dolphins.

Click on the outlines of the highlighted countries in the interactive map to reveal the country name and to access country-specific information on: the current distribution and conservation status of Atlantic humpback dolphins, a list of peer-reviewed articles and reports, and information about local researchers and conservation organisations.

If you are in one of these countries and have information on a dolphin sighting or stranding, use this map to find the relevant contact details for the person collecting data in your country, or email us at for help connecting to the relevant research and conservation organisations.

Are you based in one of these countries, and would you like to help collect data or engage in awareness-raising activities?  Visit the Get Involved page, and/or use the map to find out who you can contact in your country to learn more and contribute to ongoing work.

Click on the outlines of the highlighted countries in the interactive map to reveal the country name and then click on that country name to access country-specific information.

Latest News

Read about the latest news and project work being carried out on Atlantic humpback dolphins, from CCAHD members and partner organizations.

8 April 2024

Regional collaboration on the design and implementation of interview surveys in six Sousa teuszii range countries

CCAHD investigators interviewing local people The Critically Endangered Atlantic humpback dolphin (Sousa teuszii, AHD) is found in small populations along a 7000km stretch of coastline in Central and West Africa – in nearshore habitats that are heavily used by humans for fishing, transport, and coastal development. Limited capacity and resources make it impossible to conduct […]

7 March 2024

Smartphone App promotes citizen science to address data gaps in Cameroon and beyond

CCAHD partner, the African Marine Mammal Conservation Organization (AMMCO) has been working for 10 years to document marine mammal occurrence and threats in Cameroon and more widely in Central and West Africa.  These years of work revealed that many marine mammal species, including Atlantic humpback dolphins and African manatees are threatened by poaching, habitat degradation […]

21 February 2024

Two new measures to promote Atlantic humpback dolphin conservation

Over the past week two valuable measures have been adopted that should help to raise awareness of, and support for conservation of the Critically Endangered Atlantic humpback dolphin (Sousa teuszii). In the first instance, during its triennial Conference of Parties (COP) held in Uzbekistan on 12-17 February 2024, the Convention on Migratory Species (CMS) formally […]