A groundbreaking discovery has been made deep beneath the Arctic Ocean, revealing a bizarre ecosystem unlike anything seen before. At a depth of 3,640 meters, dynamic mounds made of methane have been found to act as “frozen reefs” for a wide array of deep-sea creatures. These methane hydrate mounds, known as the Freya hydrate mounds, are a haven for organisms that have adapted to thrive in extreme environments.
The discovery of these mounds, documented in a recent paper published in Nature Communications, sheds light on the unique ecosystems that exist in the Arctic Ocean. The mounds release methane gas flares up to 3,300 meters into the water, making them the tallest flares ever recorded. This process of collapse and reform provides valuable insights into the Arctic’s diverse ecosystems.
Chemosynthetic creatures, which rely on chemical reactions instead of photosynthesis for food, have been observed at the Freya mounds. Some of these creatures are also found at hydrothermal vents, indicating a possible connection between these two distinct ecosystems. The researchers involved in the study emphasize the importance of protecting these habitats from potential impacts of deep-sea mining in the region.
Giuliana Panieri, a co-author of the study and a professor at the Arctic University of Norway, described the mounds as “living geological features” that respond to tectonics, deep heat flow, and environmental changes. The interconnectedness of life at these seeps and hydrothermal vents highlights the need for conservation efforts to preserve these unique habitats.
Jon Copley, a study co-author and professor at the University of Southampton in England, emphasized the importance of protecting these island-like habitats on the ocean floor. He stressed the need to safeguard these environments from any potential threats posed by deep-sea mining activities.
In conclusion, the discovery of the Freya hydrate mounds and the diverse ecosystems they support provide valuable insights into the complex and interconnected world of deep-sea life. By understanding and protecting these unique habitats, we can ensure the preservation of these valuable ecosystems for future generations.

