distinct habitat types grading roughly from the ocean landward: coral reefs, seagrass beds, mangrove forests, mudflats, and evergreen littoral forests. Jobos is the second largest estuary in Puerto Rico by total area and the largest (by a factor of three) by total coastline. The Jobos mangroves are estimated to comprise 42.6% of that habitat type on the south coast of Puerto Rico. At least seven endangered species can be found at Bahía de Jobos. See also National Estuarine Research Reserve System National Oceanic and Atmospheric Administration Estuary References External links Jobos Bay National Estuarine Research Reserve Website NOAA Website National Estuarine Research Reserves of the United States Protected areas of Puerto Rico Salinas, Puerto Rico Estuaries of the United States