Dakini Tribe 荼吉尼族 are one of the three great warrior classes together with the Yato and Shinra clans.[1]
So far has been shown are males, Onijishi was the first Dakini appear to be Gintoki enemy. When Hedoro was appeared in episode 47, everybody including Yorozuya were scared of him.
The only Dakini family has been shown is Hedoro.
Biology
The Dakini race have the appearance of an Oni, they are knownto have a scary facial appearance along with their red eyes. They are giants with large musclar bodies and they have green/blue skin colour, The Dakini race have full fur haired legs.
They are naturally strong.
Male Adults have large grown horns while young males have small horns.
Nothing is shown about their female race.
Their bodies couldn't handle hot water so they perfer cold ice water for baths.
Lotions burns through their skins.
Culture
They take full care of their horns just as their lives. The horns represents their prides and soul. If their horn is broken, it tarnishes their pride and soul.