This family of snails is known for its small size, intricate shell structures, and ability to thrive in the dark, cold, and high-pressure conditions of the deep sea.

The benthic zone, where H. globulus is typically found, is a stable yet nutrient-poor environment, and species living here have adapted to slow growth rates and low metabolic needs.

[10][page needed] Deep-sea detritivores like H. globulus play a crucial role in recycling nutrients and maintaining the health of benthic ecosystems.

[12] The low-light conditions of the deep sea limit photosynthesis, so species like Halystina globulus rely on scavenging detritus for sustenance.

[13] The extreme pressures and low temperatures in the deep sea may also contribute to slower growth rates and longer developmental periods compared to species in shallower waters.

Additionally, deep-sea mining for minerals and resources such as polymetallic nodules, which are found on the ocean floor, poses a significant threat to these habitats.

The study of species like Halystina globulus is essential for understanding the biodiversity of the deep sea, one of the most remote and least explored environments on Earth.

Research on these organisms helps scientists learn about the adaptations necessary for survival in extreme environments, which can have broader implications for fields such as evolutionary biology, ecology, and even astrobiology.

[16] The deep sea is often compared to other extreme environments, such as those found on other planets or moons, and the organisms that live there may provide insights into the potential for life beyond Earth.