Predicted to enable calcium ion binding activity; metalloendopeptidase activity; and zinc ion binding activity. Acts upstream of or within negative regulation of skeletal muscle tissue growth. Predicted to be located in extracellular region. Is expressed in diencephalon floor plate; diencephalon lateral wall ventricular layer; and pituitary gland. Orthologous to human TLL2 (tolloid like 2). [provided by Alliance of Genome Resources, Apr 2022]