Predicted to enable intracellular calcium activated chloride channel activity and volume-sensitive chloride channel activity. Predicted to be involved in chloride transport. Predicted to act upstream of or within ion transport. Predicted to be integral component of membrane. Predicted to be part of chloride channel complex. Predicted to be active in plasma membrane. Is expressed in retina. Orthologous to human TTYH3 (tweety family member 3). [provided by Alliance of Genome Resources, Apr 2022]