Enables dipeptidase activity. Acts upstream of or within proteolysis and regulation of cellular protein metabolic process. Located in cytosol. Is expressed in alimentary system; genitourinary system; integumental system; sensory organ; and tail. Human ortholog(s) of this gene implicated in glomerulonephritis. Orthologous to human CNDP1 (carnosine dipeptidase 1). [provided by Alliance of Genome Resources, Apr 2022]