Stingrays (Family Dasyatidae) are common inhabitants of coral reefs. Their dorso-ventral compression allows the exploitation of shallow tidal areas for prey by jetting water and beating pectoral fins to access infauna and meiofauna. This foraging behaviour suggests they may be ecosystem engineers playing critical roles in broad ecosystem processes. As human pressures increase on our oceans both stingrays and coral reefs are coming under increasing threat. A recent global analysis identified that Dasyatidae is one of the most threatened families within this group. Fishing, climate change and other human pressures have lead degradation to coral reefs around the world, placing stress not only on these natural treasures but also the human communities that rely on them. The broad aim of this work was to understand stingrays' movement patterns and habitat use in coral reef flat ecosystems, and also evaluate the importance of these systems to stingrays. For this end, juvenile cowtail (Pastinachus atrus) stingrays were captured in shallow waters of Pioneer Bay (Orpheus Island, QLD) and fitted with Vemco V9 acoustic transmitters. The preliminary results have shown a clear movement pattern performed by juvenile cowtails. Based on the collected track and depth data, juvenile stingrays’ movements appear to be related to tidal variations. The studied individuals seem to prefer resting nearby or under mangrove roots at the high tide and feed during the low tide, using shallow waters and sandy substrates for protection. For this reason, predation risk seems to be an important driver to juvenile stingrays’ movement and habitat use, while abiotic features, such as depth and temperature, seems to have minor influence.