11. The bathypelagic and abyssopelagic zones are aphotic, meaning that no light penetrates this area of the ocean. 12. 90 % of the ocean lies in the bathypelagic ( aphotic ) zone into which no light penetrates. 13. This species is presumed to live out its entire life in the open ocean, at bathypelagic zone. 14. Like other oneirodids, " T . pugnax " is a bathypelagic fish with a bioluminescent lure. 15. Zones which vary according to their depth include the epipelagic, mesopelagic, bathypelagic , abyssopelagic, and hadopelagic zones. 16. Deep-sea organisms generally inhabit bathypelagic ( 1000 4000m deep ) and abyssopelagic ( 4000 6000m deep ) zones. 17. The dominant bathypelagic fishes are small bristlemouth and anglerfish; fangtooth, viperfish, daggertooth and barracudina are also common. 18. The "'Mesopelagic "'( aphotic bathypelagic below, where there is no light at all. 19. They are associated with hydrothermal vents and cold seeps at bathypelagic depths in the East Pacific and West Atlantic Ocean. 20. It has a worldwide distribution in tropical and subtropical waters, in the mesopelagic and bathypelagic zones at a depth of.
