Baby Stage Notes
This looks like some sort of gem, with a trail of energy and dust following it. The gem is warm to the touch and levitates slightly when disturbed, but seems unable to move or stay airborne for more than a few minutes at a time.
Juvenile Stage Notes
When this happened is hard to say, but the gem is now accompanied by a dragon hatchling. The juvenile seems extremely protective of it and bites whoever tries to take the gem; it can probably be trained to accept its handler, but otherwise it avoids other creatures and people. When left alone, it flaps its wings as if attempting to fly, and the gem floats around it, following the movements.
Adult Stage Notes
Xirotefani are colourful relatives of both Citherae and Lightcatchers. They are highly iridescent, with the exact hues and shades of their scales changing drastically depending on the lighting. They have what is thought to be a symbiotic relationship with the gems that trail around them; both dragon and gem attract one another, and it's not uncommon to see an adult being orbited by several at a time. If a gem is unable to find a Xirotefani itself, it will attract one to it. Xirotefani themselves are unorthodox breeders, and reproduce by shedding the gems that grow on their wings, spines, and tails. It's unclear where the actual hatchlings come from; a current theory is that the dragon is an inorganic creature created by the gem's energy.
Study shows that both the dragon and the floating gems are separate creatures, though the gems still attached to a Xirotefani are not "alive". The relationship between the two seems to be similar to that between colonial organisms, or coral and algae; the gems can therefore be classified as zooids, simply on a more massive scale. Xirotefani are predatory and defensive; outside of hunting, a healthy adult will not attack unprovoked, but will act aggressive when approached by anything it deems a threat. If hand-raised, they will tolerate their handler, but are still extremely wary of strangers and are known to bite. Though they don't glow on their own, the gems are able to give bright flashes that startle or distract other creatures, allowing the Xirotefani to escape or attack as warranted.