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New research reveals that over the past 13 years, more than 100 great white sharks have been ... More detected off Maines coast, with the majority of sightings occurring in recent years and in relatively shallow waters.Universal Images Group via Getty ImagesOver the past 13 years, great white sharks have increasingly made their presence known off Maines coast. More than 100 individual sharks have been detected, with the majority of sightings occurring in recent years and notably in shallow waters. This shift in behavior has prompted researchers to dive deeper into understanding what these sharks are doing in Maines waters, and their latest findings have just been published in Frontiers in Marine Science. The research is the result of collaboration between the Maine Department of Marine Resources, the Atlantic White Shark Conservancy, the Massachusetts Division of Marine Fisheries, and several other organizations.We are excited to have this study published and continue to expand our understanding of white sharks in the western North Atlantic and the coastal waters in Maine, said Matt Davis, the lead author of the study and a scientist with the Maine Department of Marine Resources. This work could not have been done without the collaboration of many researchers and organizations, and we thank everyone involved.This study is particularly significant because it marks the first time that researchers have been able to track the movements of white sharks over time in the region. The effort started in 2020, following a tragic event when a swimmer was killed by a white shark off the coast of Harpswell, marking Maines first recorded fatal shark bite. In response to this incident, officials at the Maine DMR worked closely with other groups to expand the study of white sharks and their behavior in Maines coastal waters. The team used an array of receivers placed along Maines coastline, from York and Ogunquit to Kennebunk and Reid State Park. These receivers were designed to detect sharks that had been tagged off Cape Cod, Massachusetts, and Hilton Head, South Carolina.We are excited to have this study published and continue to expand our understanding of white ... More sharks in the western North Atlantic and the coastal waters in Maine, said Matt Davis, the lead author of the study and a scientist with the Maine Department of Marine Resources. This work could not have been done without the collaboration of many researchers and organizations, and we thank everyone involved.Getty ImagesWith the data collected over the years, researchers were able to develop a clearer picture of the sharks movements and behavior patterns in the area. The findings show that these sharks are spending time in waters less than 50 meters (164 feet) deep off Maine, with peak sightings occurring between July and September; this aligns with previous observations of white sharks using similar habitats in other regions. But what stands out in this recent study is how often these sharks are detected during daylight hours. Half of the shark detections occurred during the day, a time when beaches are typically busy with human activity. This was particularly true along areas like Ogunquit, Kennebunk, and Head Beach in Phippsburg, which had some of the highest numbers of shark detections.Despite the uptick in shark sightings, the team also found that the frequency of white shark detections along Maines beaches was still relatively low compared to other regions where these sharks are known to frequent. For example, areas off Cape Cod, which has long been known as a hotspot for white sharks, saw far more frequent detections. The team emphasized that while the presence of sharks in Maine waters is notable, there is no reason to believe that humans are at significant risk. While sharks are often feared, they are a vital part of the marine ecosystem, playing an important role in regulating the populations of other marine species. Their presence in Maines waters suggests a healthy marine environment, which could be beneficial for the overall ecosystem.The scientists hope the findings of this study will help inform future management strategies in Maine. By understanding where and when white sharks are most likely to be detected, researchers and policymakers can better communicate with the public about how to safely enjoy Maines beaches without unnecessary fear. As Maine continues to see more shark detections in its waters, studies like this will be crucial in ensuring that shark conservation efforts continue while also keeping human safety a priority.
