Predicted to enable G protein-coupled peptide receptor activity. Acts upstream of or within positive regulation of feeding behavior. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. Predicted to be integral component of plasma membrane. Is expressed in alimentary system; genitourinary system; respiratory system; and thymus. Orthologous to human RXFP4 (relaxin family peptide/INSL5 receptor 4). [provided by Alliance of Genome Resources, Apr 2022]