Enables mRNA 3'-UTR AU-rich region binding activity. Predicted to act upstream of or within cell differentiation and nervous system development. Predicted to be part of ribonucleoprotein complex. Is expressed in central nervous system; enteric nervous system; intestine; primitive bladder; and sensory organ. Orthologous to human ELAVL3 (ELAV like RNA binding protein 3). [provided by Alliance of Genome Resources, Apr 2022]