Raw red meat was the order of the day at a noisy Arms Park as the Blue & Blacks dealt with everything the abrasive Ravens set out to throw at them in an ill-tempered encounter
Not even the concession of a second- minute try to Chris Tossell, converted by Robert Davies, and two early bouts of handbagging at close quarters could deter Gareth Gravell's increasingly confident outfit.
In no time at all Bridgend's lead had been wiped out by a corner try from Thomas James, expertly converted by Craig Evans, and the elegant fly-half went on to add a brace of penalty goals as Cardiff built up an 18-10 interval lead. Elgan Jones also touched down before Davies slotted a penalty for the visitors with the final kick of the half.
By then, both front rows had temporarily lost men after another flare-up. Rhys Gill and Bridgend's Andrew Joy watched from the sidelines as the snarling and growling continued.
A more tactical development was the arrival of Scott Roberts midway through the half for his Blue & Blacks' debut at tight-head prop.In the second half Craig Evans kicked two more penalty goals but the finish was tighter than the play had suggested after Adam Whitney had scored an injury time try to supplement another brace of penalties by Davies.
Bridgend had also lost another player, back rower Gareth Williams, to the sin bin in the 73rd minute and in the end they lost the match, too, much to the delight of a revitalised home crowd..