Enables L-glutamate transmembrane transporter activity. Involved in hyaloid vascular plexus regression. Acts upstream of or within neurotransmitter uptake. Located in synaptic vesicle. Is expressed in several structures, including cranial ganglion; nervous system; sensory organ; tail mesenchyme; and testis. Orthologous to human SLC17A6 (solute carrier family 17 member 6). [provided by Alliance of Genome Resources, Apr 2022]