Receptor for the hormone galanin (PubMed:25691535). Receptor for the hormone spexin-1 (PubMed:24517231). {ECO:0000269|PubMed:24517231, ECO:0000269|PubMed:25691535, ECO:0000269|PubMed:9722565, ECO:0000269|PubMed:9832121}. This is the function of GALR3 (galanin receptor 3, Ensembl gene identifier ENSG00000128310).