Predicted to enable cell-cell adhesion mediator activity. Predicted to be involved in cell-cell adhesion and nervous system development. Predicted to act upstream of or within sensory perception of sound. Predicted to be active in GABA-ergic synapse; axon; and plasma membrane. Predicted to be anchored component of presynaptic membrane. Orthologous to human CNTN5 (contactin 5). [provided by Alliance of Genome Resources, Apr 2022]