In the context of a large-scale e-commerce platform, you are tasked with implementing a solution to monitor and visualize data anomalies in real-time to quickly identify and address potential issues such as fraudulent transactions or system failures. The solution must integrate seamlessly with existing Google Cloud services, support custom visualizations, and allow for real-time data updates. Considering these requirements, which Google Cloud tool is specifically designed for detecting and visualizing data anomalies under these constraints? Choose the best option.