bathypelagic

bath y pe lag ic |ˌbaTHəpəˈlajik ˌbæθəpəˈlæʤɪk | ▶adjective Biology (of fish and other organisms ) inhabiting the deep sea where the environment is dark and cold, approximately 3,300 –9,800 feet (1,000 –3,000 m ) below the surface.

bathypelagic

bathypelagic |ˌbaθɪpɪˈladʒɪk | ▶adjective Biology (of fish and other organisms ) inhabiting the deep sea where the environment is dark and cold, between about 1000 and 3000 metres (approximately 3300 and 9800 ft ) down.