Yea...
Shadowrun has a much more..."reality adjacent" then DnD.
DnD is a total fantasy land, where even the laws of physics and reality. Everything in DnD, from the lands, people, customs, and religions are all created works, and thus, more, shall we say fantastical, things can be the norm, or just exist. (like Tiamat, half-dragons, mind flayers, beholders, etc.)
for Shadowrun: Up to about 1988, its own world! The places, people events are all our own history! Then we have the Trucker's Strike of New York, which leads to the Screntech (sp?) Decision, followed by the Eco terrorist on a private nuclear station, which leads to the Extra-territoriality, which is ALL before we get 2012 and the Awakening, or UGE, or even Goblinization!
Heck, even most of the monsters of Shadowrun, are just awakened versions of normal animals! (for the most part, some monsters of legends are starting to appear in the "wilder areas" of the world, why only in those parts who knows)...
The Cockatrice in Shadowrun is.... An awakened Chicken... I shit you not. Its just a chicken, with really long tail feathers... that can turn you to stone with a touch!
The fearsome Juggernaut of Shadowrun is... An awakened armadillo. Granted its a omnivorous 30 meters long armadillo with a nasty temper... but its still basically an armadillo!
Now that is not to say there isn't anything "weird" or "fantastical" in Shadowrun, There are plenty of mysteries that are yet to be answered....
But a creature, with 5 heads capable of independent thought and action, each breathing a different element? Yea, no.