Cahlians were a humanoid species with fiery red skin (PROSE: After Life) and pink eyes. (PROSE: Inappropriate Laughter)
Biology
Cahlians had rough red skin, three toes, hair like pine needles, and have modified eyes that enabled them to see in brighter light than humans could. (PROSE: Match of the Deity) They were also scaled, had a tail, and purple blood. (AUDIO: Industrial Evolution)
History
The Sixth Doctor encountered the Cahlian Samuel Belfrage, in 19th century Ackleton. (AUDIO: Industrial Evolution)
Doggles was a Cahlian from the 27th century. (PROSE: Inappropriate Laughter)