Predicted to enable chloride transmembrane transporter activity and sodium:bicarbonate symporter activity. Acts upstream of or within positive regulation of synaptic vesicle exocytosis and regulation of intracellular pH. Located in several cellular components, including glutamatergic synapse; neuronal cell body membrane; and presynaptic membrane. Is expressed in several structures, including adrenal gland; alimentary system; genitourinary system; nervous system; and sensory organ. Orthologous to human SLC4A8 (solute carrier family 4 member 8). [provided by Alliance of Genome Resources, Apr 2022]