Enables high-affinity sodium:dicarboxylate symporter activity and succinate transmembrane transporter activity. Involved in succinate transmembrane transport. Acts upstream of or within dicarboxylic acid transport. Located in membrane. Is expressed in central nervous system; esophagus; genitourinary system; liver; and retina. Orthologous to human SLC13A3 (solute carrier family 13 member 3). [provided by Alliance of Genome Resources, Apr 2022]