Predicted to enable cytokine activity. Acts upstream of or within negative regulation of cell population proliferation; positive regulation of apoptotic process; and regulation of cysteine-type endopeptidase activity involved in apoptotic process. Located in endoplasmic reticulum and extracellular region. Is expressed in alimentary system; brain; gonad; hemolymphoid system gland; and metanephros. Orthologous to human IL24 (interleukin 24). [provided by Alliance of Genome Resources, Apr 2022]