Enables several functions, including carbohydrate binding activity; galactoside binding activity; and protein serine/threonine kinase activator activity. Involved in several processes, including regulation of cytokine production; regulation of defense response; and regulation of leukocyte activation. Located in cytoplasm and nucleus. Is expressed in several structures, including cardiovascular system; hemolymphoid system; intestine; liver; and metanephros. Orthologous to several human genes including LGALS9 (galectin 9). [provided by Alliance of Genome Resources, Apr 2022]