Enables fatty acid omega-hydroxylase activity. Involved in fatty acid metabolic process; kidney development; and response to testosterone. Located in endoplasmic reticulum membrane. Biomarker of autosomal recessive polycystic kidney disease and hypertension. Human ortholog(s) of this gene implicated in hypertension. Orthologous to human CYP4A11 (cytochrome P450 family 4 subfamily A member 11) and CYP4A22 (cytochrome P450 family 4 subfamily A member 22). [provided by Alliance of Genome Resources, Apr 2022]