Enables calcium- and calmodulin-regulated 3',5'-cyclic-GMP phosphodiesterase activity. Predicted to be involved in signal transduction. Predicted to be active in neuronal cell body. Is expressed in several structures, including alimentary system; brain; genitourinary system; integumental system; and sensory organ. Orthologous to human PDE1A (phosphodiesterase 1A). [provided by Alliance of Genome Resources, Apr 2022]