Predicted to enable phosphoprotein phosphatase activity. Predicted to be involved in endoderm formation; negative regulation of ERK1 and ERK2 cascade; and protein dephosphorylation. Predicted to be located in nucleoplasm. Predicted to be active in cytoplasm and nucleus. Is expressed in central nervous system; olfactory epithelium; and tail unsegmented mesenchyme. Orthologous to human DUSP4 (dual specificity phosphatase 4). [provided by Alliance of Genome Resources, Apr 2022]