New Sonar Evidence Sparks Fresh Search for Loch Ness Monster

The quest to uncover the mystery of the Loch Ness Monster has taken a new turn with the emergence of sonar footage that some experts describe as one of the most convincing anomalies to date. Captured in 2025 by local skipper Sean McLeod, the footage shows a large, moving shape beneath the surface of Loch Ness, which measures over 23 miles in length and plunges to depths exceeding 200 metres.

In response to this intriguing sighting, a team of volunteers from the Loch Ness Centre and Loch Ness Exploration has launched an ambitious expedition utilizing advanced underwater and aerial technology. This effort aims to determine if modern tools can finally discern fact from folklore in the loch’s murky waters.

Advanced Technology in the Search

The latest search employs a mix of cutting-edge equipment, including sonar scanners, hydrophones, night vision cameras, and baited underwater traps. Remotely operated vehicles, capable of descending more than 100 metres, are being used alongside drones equipped with thermal imaging and AI-powered anomaly detection. Organisers have stated that this is the most thorough modern survey of Loch Ness conducted to date.

During the expedition, hydrophones detected unusual underwater sounds shortly after one of the baited camera traps was deployed. Despite these findings, researchers reported no visual confirmation of a large creature. McLeod, who recorded the sonar contact, shared his experience with YouTuber EllieMarieTV, noting that the shape appeared “almost as big as the boat.” Over the past decade, he has logged more than 200 similar sonar readings.

Despite the excitement surrounding the footage, skepticism persists among researchers. Following a review by sonar manufacturer Raymarine, it was suggested that the anomaly could represent a large fish or marine mammal. However, no known species inhabit Loch Ness, complicating interpretations of the findings.

Scientific Skepticism and Historical Context

A recent environmental DNA survey revealed no traces of large reptiles or unknown fish species in the loch’s depths. Instead, the majority of the genetic material collected matched that of eels. Professor Tim Coulson from the University of Oxford stated that it is “highly improbable” for a large undiscovered species to exist undetected in Loch Ness for centuries.

The proliferation of AI-generated or digitally altered images on social media has further complicated the verification of new claims regarding the Loch Ness Monster. As a result, volunteers now collaborate with data analysts to identify potential hoaxes and filter out false positives. Many experts attribute reported sightings to natural phenomena, such as wave patterns, floating logs, or optical effects created by light and distance.

The Loch Ness remains one of Europe’s deepest freshwater bodies, making it challenging to verify claims while also contributing to the enduring mystery of the area. Should advanced imaging or DNA sampling eventually confirm the existence of an unidentified large creature, it would represent one of the most significant zoological discoveries in decades.

For now, researchers continue to focus on familiar species, like eels and pike. Until clear physical evidence emerges, the existence of the Loch Ness Monster remains unverified, maintaining its status as one of Scotland’s most captivating legends.