Mexico Opens Vaquita Habitat to Gillnet Fishing
New regulations now permit fishing in 86 percent of the previously protected waters in the Gulf of California.
Updated on Oct. 23, 2026 in Wildlife
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The Mexican government has opened approximately 86 percent of vaquita habitat to gillnet fishing in a significant reversal of conservation protections. The policy shift also creates new vessel transit corridors through the previously restricted Zero-Tolerance Area.
Why it matters
Environmental experts warn that the removal of these protections significantly increases the risk of extinction for the vaquita, a critically endangered porpoise. The change allows for more intensive fishing practices, including nighttime operations and the use of hookah equipment.
Mexico has opened 86 percent of the vaquita's protected habitat to gillnet use, overturning previous restrictions in the Gulf of California. The government also introduced transit corridors through the 193 concrete blocks installed to prevent net deployment.
The players
Mexican Navy
The branch of the Mexican Armed Forces responsible for naval operations and the maintenance of maritime security zones.
Sea Shepherd
An international marine conservation organization that actively monitors illegal fishing activities in the Gulf of California.
International Whaling Commission
An intergovernmental organization with a 70-year history dedicated to the conservation of whales and other marine mammals.
The details
New rules now permit gillnet fishing via free diving or the use of hookah equipment, while also extending the allowable duration for nighttime fishing. The decision to permit vessel traffic through the Zero-Tolerance Area further complicates efforts to maintain a safe haven for the species.
Timeline
The International Whaling Commission issued its first-ever extinction alert in 2023.
Sea Shepherd researchers observed vaquita calves during a survey in late 2025.
The Mexican government announced the opening of these gillnet fishing areas in mid-October 2026.
Culture Shift
This policy shift marks a departure from international conservation efforts, specifically the warnings established by the International Whaling Commission's 2023 extinction alert. The move suggests a prioritization of local fishing economics over the global initiative to save the critically endangered vaquita.
The decision to allow gillnetting in protected zones directly impacts the likelihood of species survival for the vaquita. Readers interested in marine conservation may find that these changes limit the effectiveness of previously established safe havens.
The takeaway
The opening of these habitats reflects a significant shift in marine management that may have irreversible consequences for endangered wildlife. International observers continue to monitor whether remaining conservation measures can prevent the extinction of the vaquita.
Further reading
For more information on the status of protected species, visit our Wildlife section.
Source note: This article includes information reported by IFLScience.
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