With the recent implementation of a new marine park network, it is an ideal time for data collection, method development, and marine research in South Australia. Many areas in South Australia currently remain under-studied, even within Gulf St Vincent, next to South Australia’s most populated city, Adelaide. These areas present a chance to better understand temperate fish assemblages and the factors which may influence them. For my PhD, I am planning to assess fish assemblages using BRUVS in collaboration with the State government and private industries. I have begun an initial pilot study, which is investigating seasonal and diurnal changes in fish assemblages as well as those related to habitat and protection status. Results from a summer sampling trip have been analysed across the two locations, and we plan to repeat this sampling during winter and at night, additionally incorporating an investigation into differences between light colours. Overall, I intend to focus on how different anthropogenic impacts affect fish assemblages. Because BRUVS images are archived, there are potentially several different ways that data could be derived from them. I will discuss the novel methods we hope to use to tease apart potential cumulative impacts and assess key areas for monitoring.