Robuta

https://weedersdigest.com/lake-and-pond-science/my-guide-to-the-mesmerizing-swirls-understanding-the-wake-behind-your-boat/ Why Boat Wakes Create Mesmerizing Swirls and Vortexes in Lake Water Discover why the wake behind a boat forms mesmerizing swirling vortexes. Learn how propellers generate pressure changes, cavitation bubbles, and fluid dynamics... boat wakeslake watercreatemesmerizingswirls