Predicted to enable glycerol channel activity; urea channel activity; and water channel activity. Acts upstream of or within glycerol transport and renal water absorption. Is integral component of plasma membrane. Colocalizes with lipid droplet. Is expressed in early conceptus; gonad; liver; and metanephros. Orthologous to several human genes including AQP7 (aquaporin 7). [provided by Alliance of Genome Resources, Apr 2022]