Predicted to enable proton transmembrane transporter activity. Predicted to be involved in vacuolar acidification and vacuolar transport. Predicted to act upstream of or within ion transport. Located in early endosome. Is expressed in several structures, including alimentary system; limb; metanephros; respiratory system; and skeleton. Orthologous to human ATP6V0D2 (ATPase H+ transporting V0 subunit d2). [provided by Alliance of Genome Resources, Apr 2022]