Conservation status:

Extinction                    

          Extinct          

          Extinct in the wild

Threatened

            Critically endangered

            Endangered

            Vulnerable

            Threatened

Lower risk

            Conservation dependent

            Near threatened

            Least concern

            Domesticated

Data deficient

(according to IUCN)


South American sea lions were hunted extensively since the end of the 17th century, which heavily depleted some populations. This species is no longer hunted commercially as it is protected in almost all South America. There exist great conflicts between this species of sea lions and fisheries resulting in killing by fishermen to ‘avoid damage to their nets’.

El Niño events have also a dramatic impact on South American sea lion  populations. In Peru it was reported that the 1997 - 1998 El Niño drastically reduced sea lion populations. The greatest loss of sea lions consisted of adult females, which will slow the recovery rate of this population. In northern Chile, it affected mainly pups and juvenile sea lions, which also leads to a slow recovery rate.

IUCN (World Conservation Union) listed the South American sea lion  as under ‘lower risk’ and ‘conservation dependent’ and also Argentina listed this species in the ‘Red Book’ (SAREM - Argentine Association for the Study of Mammals) as under 'least concern'. In 1999 UNESCO's World Heritage Committee designated Argentina's Península Valdés, an important site for South American sea lions, as a World Heritage Site.

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