Predicted to be an extracellular matrix structural constituent. Predicted to be involved in endodermal cell differentiation and extracellular matrix organization. Predicted to act upstream of or within camera-type eye morphogenesis; epithelial cell proliferation; and positive regulation of cell-substrate adhesion. Predicted to be active in extracellular matrix and extracellular space. Orthologous to human COL8A1 (collagen type VIII alpha 1 chain). [provided by Alliance of Genome Resources, Apr 2022]