Velkers, a carnivorous species originating from the gas giant Bespin, were hunters of the skies. These creatures, known for their flock behavior, primarily hunted the massive floating beldons that lived within the planet's lower atmospheric levels, consuming the buoyant flesh of these beasts, which consequently drew in scavenging crab gliders. In the era of the Iron Blockade within the Anoat sector, Nogba Quush contracted the Smuggler to dispatch a number of Imperial patrols stationed on Bespin, suggesting that the deaths would be attributed to the velker population.
The velker species was initially conceived for Galaxy Guide 2: Yavin and Bespin, a sourcebook authored by Jonatha Ariadne Caspian and published in 1989 through West End Games. The canonicity of this species was later affirmed by the reference work Ultimate Star Wars, which saw its release in 2015.