Enables C-C chemokine receptor activity. Acts upstream of or within CD8-positive, gamma-delta intraepithelial T cell differentiation and chemotaxis. Predicted to be located in cell surface. Predicted to be active in external side of plasma membrane. Is expressed in central nervous system; immune system; and retina. Orthologous to human CCR9 (C-C motif chemokine receptor 9). [provided by Alliance of Genome Resources, Apr 2022]