Enables somatostatin receptor activity. Acts upstream of or within cellular response to leukemia inhibitory factor; glutamate receptor signaling pathway; and neuropeptide signaling pathway. Located in plasma membrane. Is expressed in several structures, including brain; eye; genitourinary system; gut; and respiratory system. Orthologous to human SSTR1 (somatostatin receptor 1). [provided by Alliance of Genome Resources, Apr 2022]