Predicted to enable morphogen activity. Predicted to be involved in several processes, including heart development; negative regulation of transmembrane receptor protein serine/threonine kinase signaling pathway; and signal transduction involved in regulation of gene expression. Predicted to act upstream of or within determination of left/right symmetry and negative regulation of transforming growth factor beta receptor signaling pathway. Predicted to be active in extracellular space. Orthologous to human DAND5 (DAN domain BMP antagonist family member 5). [provided by Alliance of Genome Resources, Apr 2022]