Predicted to enable MAP kinase tyrosine/serine/threonine phosphatase activity and protein tyrosine/threonine phosphatase activity. Predicted to be involved in negative regulation of ERK1 and ERK2 cascade; positive regulation of apoptotic process; and regulation of heart growth. Predicted to be active in cytosol. Orthologous to human DUSP9 (dual specificity phosphatase 9). [provided by Alliance of Genome Resources, Apr 2022]