Humanoid civilization from the planet Andoria.  Andorians sometimes describe themselves as passionate, violent people and are members of the United Federation of planets, around 2267. Their appearance is characterized by beautiful blue skin, a pair of antennae on their heads and white/silver hair.  They have a high metabolism which makes then vulnerable to minor injuries, but they have a high capacity to endure different environmental problems, climates, temperatures.  Their antennae helps them for balance, the lost of one of those could disable them for a short time, and it takes more or less 9 months to grow back.  Their blood is also blue.