Predicted to enable 3'-5'-exoribonuclease activity. Predicted to be involved in several processes, including RNA metabolic process; cellular response to cytokine stimulus; and regulation of mitochondrial mRNA stability. Predicted to act upstream of or within mRNA processing. Located in mitochondrion. Is expressed in brain; foregut; genitourinary system; and skin. Orthologous to human PDE12 (phosphodiesterase 12). [provided by Alliance of Genome Resources, Apr 2022]