In the predator-prey interaction, preys have evolved various ways to avoid predation. Preys can receive information and avoid predation by using sensory cues such as acoustic, visual, or olfactory ones. Many studies reported that preys receive signals emitted by conspecifics (e.g., alarm call or pheromone) and avoid predation. Although some animals use two or more types of signals simultaneously (e.g., chemical and acoustic ones) emitted by conspecifics, no study has examined whether the multiple types of signals between conspecifics are used for avoiding predation. Wrinkled frog (Rana rugosa) emits the odor and the particular call (distress call), when the frog encounters predators. The secretion that causes odor has effect of avoiding predation. Further, when conspecific frogs receive this odor, they restrain activities. This restraining is probably effective against detection by predators. The function of the distress call emitted by wrinkled frog is not known. By using the two types of signals (odor and distress call), the frog might gain more information on the level of risk and/or on the kind of predators. To reveal the significance of using the multiple types of signals, we gave the frogs one of the 4 treatments: odor only, distress call only, odor and distress call, and no stimulus. We will report the comparison of behavior under these treatments.