bathypelagic
/ˌbæθɪpəˈlædʒɪk/
adjective
- Relating to the deep ocean zone between about 1,000 and 4,000 meters (3,300–13,000 feet) below the surface, where sunlight does not reach.
- Bathypelagic fish have adapted to life in total darkness.
- Scientists used a submersible to study bathypelagic ecosystems.
- The bathypelagic zone is home to many bioluminescent creatures.