The nine most recently described members of this species complex are considered endemic to their respective small, volcanic crater lakes.

While the full extent of invertebrate diversity is uncertain, 90% of insects and molluscs are considered endemic.

Filariasis is considered endemic in 73 countries; 37 of these are in Africa.

Seven of the Costa Rican species are considered endemic, and 19 are globally threatened.

Fewer than 200 cases have been reported each year since 1997, and the disease is no longer considered endemic.

It was until recently considered endemic to Peru, but is now also known from adjacent Acre in Brazil.

It is usually considered endemic to Panama.

Borneo has about 430 species, with 164 of them considered endemic.

The virus is considered endemic to the equatorial, eastern, and southern regions of Africa.

As several other of the seven species of Androctonus currently known from Morocco, it is considered endemic.