Enables N-acetylneuraminate lyase activity. Predicted to be involved in N-acetylneuraminate catabolic process. Predicted to act upstream of or within carbohydrate metabolic process. Predicted to be located in cytoplasm. Is expressed in 2-cell stage embryo; eye; and nervous system. Orthologous to human NPL (N-acetylneuraminate pyruvate lyase). [provided by Alliance of Genome Resources, Apr 2022]