In 2007, the Juan Fernández octopus was described as an endemic species of the Archipelago.

The Horse Mackerel of the Juan Fernández Archipelago It is an oceanic fish of the “Carangidae” family, of the “Pseudocaranx” genus and of the “dentex” species.

It is a pelagic oceanic fish of the Carangidae family, of the Seriola genus, and of the Lalandi species. In English-speaking countries, it is also known as the Yellowtail Amberjack, the Kingfish in Australia, and the Hiramasa in Japan. Juveniles weigh from 3 kilograms and are approximately 80 cm long. Adults can reach 1.60 m in length and weigh more than 50 kilograms.