Predicted to enable G protein-coupled receptor activity and calcium ion binding activity. Predicted to be involved in axon guidance and cell-cell adhesion. Predicted to act upstream of or within several processes, including cilium assembly; generation of neurons; and regulation of protein phosphorylation. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. Orthologous to human CELSR3 (cadherin EGF LAG seven-pass G-type receptor 3). [provided by Alliance of Genome Resources, Apr 2022]