Predicted to enable mRNA binding activity. Acts upstream of or within serotonergic synaptic transmission and vocalization behavior. Located in cytoplasm. Is expressed in several structures, including brain; spinal cord; stomach; testis; and trigeminal ganglion. Orthologous to human CELF6 (CUGBP Elav-like family member 6). [provided by Alliance of Genome Resources, Apr 2022]