31/10/2025

2nd Edition of the Gephyreus Project Newsletter is now available!

The new edition of the Gephyreus Project Newsletter brings together the main advances and actions carried out throughout 2025 for the conservation of Lahille’s bottlenose dolphin.

31/10/2025

Lahille’s bottlenose dolphin reclassified as “Endangered” on the new IUCN Red List

The Lahille’s bottlenose dolphin (Tursiops truncatus gephyreus), a coastal subspecies found in southern Brazil, Uruguay, and Argentina, has been reclassified as “Endangered (EN)” in the October 2025 update of the International Union for Conservation of Nature (IUCN) Red List. In 2019, the subspecies had been assessed as Vulnerable (VU).  

03/10/2025

Project investigates impacts of floods in Rio Grande do Sul on Lahille’s bottlenose dolphin and other endangered species

The historic floods that struck Rio Grande do Sul in May 2024 left a trail of destruction in cities and rural areas. 

02/10/2025

IWC Workshop in Santos (Brazil) highlights urgency in conserving Lahille’s bottlenose dolphin

From June 30 to July 5, 2025, Santos (SP) hosted an international meeting organized by the Scientific Committee of the International Whaling Commission (IWC), in partnership with Brazil’s Ministry of the Environment and ICMBio, to evaluate Conservation and Management Plans (CMPs) for six cetacean species in South America. 

14/04/2025

First edition of the Gephyreus Project newsletter is out now!

Inaugural issue highlights IWC-approved conservation plan, Lahille's bottlenose dolphin return to the Araranguá River, and 50 years of the Botos da Lagoa dos Patos Project.

06/02/2025

Biologist Pedro Fruet receives funding from the Whitley Fund for Nature to expand conservation efforts for Lahille's bottlenose dolphin

With support from the UK-based Whitley Fund for Nature (WFN), the co-founder of Kaosa will expand efforts to reverse the critical conservation status of Lahille's bottlenose dolphin, strengthening community involvement and the project's activities in Brazil, Uruguay, and Argentina.

05/02/2025

Botos da Barra Project Celebrates 13 Years of Preserving Cooperative Fishing

A member of the Gephyreus network, the initiative protects the collaboration between Lahille’s bottlenose dolphins and artisanal fishers in Tramandaí

20/01/2025

Lahille’s dolphin, an endangered species, found dead on Tramandaí beach

A rare animal, symbolizing the biodiversity of the southern coast, was found stranded on the shore.

20/01/2025

Dolphins helping fishermen in southern Brazil recognized as a species and listed as endangered

Scientific recognition highlights the need to preserve these rare dolphins that collaborate with artisanal fishing.

15/01/2025

International Workshop Brings Together Scientists and Governments to Develop the Conservation and Management Plan for Lahille's Dolphin

Document Drafted After Discussions Will Be Presented to the Scientific Committee of the International Whaling Commission in May 2024

15/01/2025

Lahille's Dolphin is Highlighted in the New Brazilian Passport

The new document highlights Brazil's biodiversity by including Lahille's dolphin, emphasizing the importance of environmental preservation.