Predicted to enable fatty acid elongase activity. Involved in fatty acid biosynthetic process and positive regulation of cold-induced thermogenesis. Predicted to be located in endoplasmic reticulum. Predicted to be integral component of endoplasmic reticulum membrane. Is expressed in brown fat; embryo; head; and skin. Orthologous to human ELOVL3 (ELOVL fatty acid elongase 3). [provided by Alliance of Genome Resources, Apr 2022]