Predicted to enable high-affinity inorganic phosphate:sodium symporter activity and inorganic phosphate transmembrane transporter activity. Acts upstream of or within biomineral tissue development. Located in plasma membrane. Is expressed in several structures, including alimentary system; genitourinary system; liver; and nervous system. Orthologous to human SLC20A1 (solute carrier family 20 member 1). [provided by Alliance of Genome Resources, Apr 2022]