Blue dragons are one of the five colours of dragons in Anne McCaffrey's
Dragon Riders of Pern series.
The blue dragons are the smallest of the male
dragons, but slightly larger than the nimble, female green dragons.
These smaller dragons take part only in the
mating flights of the infertile green dragons, but very rarely win the chance to mate, as the brown and unattached bronze dragons are much larger and are able to fly faster.
For more information on all of the dragons, see The Dragons Of Pern node.