Predicted to enable sodium channel regulator activity. Predicted to be involved in regulation of voltage-gated sodium channel activity. Predicted to be located in extracellular region. Predicted to be active in cytoplasm and nucleus. Is expressed in several structures, including alimentary system; genitourinary system; nervous system; respiratory system; and sensory organ. Orthologous to human FGF11 (fibroblast growth factor 11). [provided by Alliance of Genome Resources, Apr 2022]