Enables C-C chemokine receptor activity. Acts upstream of or within several processes, including homeostasis of number of cells; neuron migration; and tolerance induction. Located in external side of plasma membrane. Is expressed in several structures, including central nervous system; intestine; pyloric antrum; reproductive system; and thymus. Orthologous to human CCR4 (C-C motif chemokine receptor 4). [provided by Alliance of Genome Resources, Apr 2022]