(Top to Bottom of Ocean)
Pelagic Realm
Epipelagic Zone - Turtles Sharks Fish
Mesopelagic Zone -
Bathypelagic Zone - Sea Star, Octopus, Sperm Wale
Abyssopelagic Zone-Angler Fish, Eel
Hadalpelagic Zone - Sea Cucumber, Liparid Fish, Brittle Star
The first two are mixed together a bit