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January 16, 2008
An international research team, including biologists from NOAA’s Fisheries Service, reported in the scientific journal Conservation Biology, that the estimated population of vaquita, a porpoise found in the Gulf of California, is likely two years away from reaching such low levels that their rate to extinction will increase and possibly be irreversible. Scientists believe only about 150 vaquita remain.
The research team, led by Armando Jaramillo, Instituto Nacional de Ecología, Mexico, included researchers Barbara Taylor, NOAA’s Fisheries Service, and Randy Reeves, Chair of the Cestacean Specialist Group, IUCN – the World Conservation Union. The group assessed the number of vaquita based on past estimates of abundance and deaths in fishing nets together with current fishing effort. Approximately 30 vaquita drown each year in the Gulf of California when they become entangled in nets set for fish and shrimp.
Vaquita are found only in a small area of productive, shallow water in the northernmost Gulf of California. They are listed as endangered species by the United States and Mexico and critically endangered by the World Conservation Union.
Researchers cite worrisome parallels between vaquita and the baiji, a freshwater dolphin in the Yangtze River, which was recently declared likely to be extinct; primarily from entanglement in fishing gear.
NOAA's Fisheries Service is dedicated to protecting and preserving our nation’s living marine resources and their habitat through scientific research, management and enforcement. It provides effective stewardship of these resources for the benefit of the nation, supporting coastal communities that depend upon them, and helping to provide safe and healthy seafood to consumers and recreational opportunities for the American public.
The National Oceanic and Atmospheric Administration, an agency of the U.S. Commerce Department, is dedicated to enhancing economic security and national safety through the prediction and research of weather and climate-related events and information service delivery for transportation, and by providing environmental stewardship of our nation's coastal and marine resources. Through the emerging Global Earth Observation System of Systems (GEOSS), NOAA is working with its federal partners, more than 70 countries and the European Commission to develop a global monitoring network that is as integrated as the planet it observes, predicts and protects.