Blue Tribe

The "Blue Tribe" are the first group of blue zefusians who they got cyan-blueish color into their body from mysterious plant.

Tribe
Blue Tribe are used to be as normal ancient zefussian tribe like those reddish/yellowish proto-zefusians, until they moved to somewhere close to forest with strange succulent looking plantings. They're amazed how that strange plant they discovered looked satisfying for them. They picked plump greyish-blue fruits from that plant and it oozes deep blue juice on their hands and staining their fur and clothes that they're might exited for discovering blue dye. So they used blue ooze for decorating clothes, potteries and markings their body, they also ate that fruit for turning reddish-yellowish skin and fur slowly into blue, that their offsprings shares bluer and bluer shades of colors on their body.

Side effects from that plant
That mysterious plant causes mild intoxications and some moody behavior from waking up from dizzy liquid.