<p>Habitat connectivity through the landscape is essential for conserving biodiversity. However, in the context of non-native species, the concept of connectivity constitutes a challenge as it can facilitate dispersal and introduction to previously unaffected areas. With the increase of urbanization, this conundrum is further complicated. Urban development is often associated with the creation of stormwater management ponds (SWMPs) that are regularly connected and drain to natural waterbodies. SWMPs have been frequently found to be inhabited by non-native species. By applying circuit theory and including landscape features as potential barriers to fish movement across the waterscape, we evaluated the potential spread of native fish species to, and non-native fish species from, SWMPs in Hamilton, Ontario. SWMPs that were located above the Niagara Escarpment and in close proximity to natural watercourses, such as streams, were characterized by greater relative movement probability and were inhabited by native fish species. Conversely, if such ponds are inhabited by introduced species, they may represent risks to connected natural waterbodies as potential source populations of non-native taxa. Consequently, these results have implications for aquatic invasive species management, particularly in the light of ongoing urbanization and the spread of SWMPs across the landscape.</p>