Although it has been subject to much disturbance in the recent past, Los Peñasquitos Lagoon supports a variety of native vegetation communities that support a large number of plant and animal species that includes 35 sensitive plant species, 6 listed bird species, 5 listed reptile species and 1 insect species red-listed by the International Union for Conservation of Nature (IUCN). Please check some of them out below!

Los Peñasquitos Lagoon and its transitional habitats and uplands numerous species of mammals that range in size from small, medium to large. Mammals from each size range that can be found in the Lagoon include: