In the darkest corners of our planet, where sunlight barely penetrates, scientists have uncovered a new predator lurking deep beneath the ocean’s surface. This discovery, made in the hadal zones of the ocean, has provided a fresh look at the mysterious and often terrifying creatures that inhabit the extreme depths.
A Predator from the Ocean’s Darkest Depths
The Dulcibella camanchaca, a fearsome new species of amphipod or shrimp, was discovered nearly 8 kilometers (about 5 miles) below the ocean’s surface, in the Atacama Trench off the coast of Chile and Peru. Despite its frightening appearance, this creature is relatively small, measuring only about 4 centimeters (roughly 1.5 inches). However, its predatory nature and specialized adaptations make it a formidable hunter in the depths.
Scientists first encountered this unique creature during the IDOOS 2023 expedition, a deep-ocean observing system designed to explore the mysteries of the ocean’s abyssal and hadal zones. The species is aptly named after the Andean term for darkness, referencing its natural habitat where the sun’s rays never reach. This environment is one of the most extreme on Earth, yet Dulcibella camanchaca thrives in its inky, freezing depths.
A Tiny Predator with Big Skills
Though it might look unassuming at first glance, the Dulcibella camanchaca is a highly specialized predator. It has adapted to life in complete darkness, where its prey—mainly other amphipods—are hunted using its prehensile appendages. These appendages are designed to grab and capture its prey, making this tiny creature a true predator of the deep.
Johanna Weston, co-director of the study at the Woods Hole Oceanographic Institution (WHOI), explains that the species is not only an active swimmer but also a swift and efficient hunter. The creature’s predatory skills are finely honed, and its behavior provides a glimpse into how life thrives under such extreme conditions.

A New Species and a New Genus
What makes this discovery even more exciting is that Dulcibella camanchaca is not just a new species but also a completely new genus of organism. In biological classification, the genus is a broader category that groups species based on shared characteristics, while the species is the most specific level of classification, referring to individuals that can reproduce among themselves and share common physical traits.
The researchers’ findings were confirmed through detailed morphological and genetic analyses, as published in the journal Systematics and Biodiversity. This is significant because the discovery of a new genus indicates that there are entire groups of organisms that were previously unknown to science.
Carolina González, co-director of the study from the Instituto Milenio de OceanografÃa (IMO) in Chile, emphasized the importance of this discovery. She pointed out that it underscores the necessity of continued research in the Atacama Trench and other deep ocean regions, particularly those in Chile’s territorial waters.
The Urgent Need for Ocean Exploration and Protection
The ocean’s hadal zones, which stretch from 6 to 11 kilometers deep, are not lifeless deserts as some might imagine. They are rich ecosystems, home to unique species that scientists are only beginning to understand. With ongoing threats from human activity, including pollution and climate change, it is crucial to protect these areas and continue exploring them to uncover their hidden biodiversity.
The discovery of Dulcibella camanchaca and other species like it is just the beginning of what could be a transformative era in ocean exploration. As we continue to explore these mysterious depths, we learn more about life in its most extreme forms and gain invaluable insights into how organisms adapt to the harshest environments.
In conclusion, the Dulcibella camanchaca serves as a reminder of how much we still don’t know about the ocean’s vast and uncharted territories. It’s a testament to the resilience of life and the endless mysteries that lie beneath the surface, waiting for us to uncover.