There are many differents ninjas 's clans but I will describe you the principale one of Konoha village.

The Uchiwa clan.

They have special power with their pupils wich can see all the mouvements of the opponent and sometimes the pupil permit the owner to predict the oponent 's signs.All there powers come from there pupil which finish is development at he majority of the owner.

The Nara clan.

In this clan they can control the shadow and stop the ennemi wth it. When they well control the shadow they can also kill with it !