Enables carboxylic ester hydrolase activity. Predicted to be involved in several processes, including cellular response to cholesterol; cholesterol homeostasis; and regulation of steroid metabolic process. Predicted to be located in cytoplasm. Predicted to be active in endoplasmic reticulum and lipid droplet. Is expressed in several structures, including alimentary system; hemolymphoid system; liver; nose; and respiratory system. Orthologous to human CES1 (carboxylesterase 1). [provided by Alliance of Genome Resources, Apr 2022]