Predicted to enable citrate transmembrane transporter activity; sodium:dicarboxylate symporter activity; and succinate transmembrane transporter activity. Predicted to be involved in citrate transport and succinate transmembrane transport. Predicted to act upstream of or within sodium ion transport and transmembrane transport. Predicted to be located in membrane. Predicted to be active in plasma membrane. Is expressed in several structures, including digestive system; hatching gland; head; kidney; and periocular mesenchyme. Orthologous to human SLC13A3 (solute carrier family 13 member 3).