Baboon spiders ( Harpactirinae) are a subfamily of tarantulas native to the continent of Africa. They are impressive, charismatic spiders but little is known about their biogeography and ecology. You can record sightings and learn more at the Baboon Spider Atlas. The king baboon spider ( Pelinobius muticus), is native to Kenya and Tanzania and can grow up to 20 cm (7.8”) in leg span. The Mombasa Golden Starburst tarantula ( Pterinochilus murinus) are found in Angola. Females can grow to 15 cm (6”) in size, while males typically range from 7-10 cm (3–4”).