1. relating to or living in the deep ocean zone between about 1,000 and 4,000 meters below the surface
Usage: oceanography; marine biology

Examples

• The bathypelagic zone is characterized by complete darkness and extreme pressure.
• Many bathypelagic fish have bioluminescent organs to attract prey.
• Scientists study bathypelagic organisms to understand deep-sea ecosystems.
• The bathypelagic environment remains one of the least explored regions on Earth.
• Bathypelagic species have adapted to survive in near-freezing temperatures.
• Research vessels use specialized equipment to collect bathypelagic specimens.