90% of marine life live in the sunlit zone. the sunlit zone goes down to 600 feet. Plankton live in this lit area. The second part of the ocean is the Twilight zone which has only a little light. lantern fish, rattalk fish, jelly fish, hatchet fish, viper fish. The deepest part of the ocean is known as the midnight Zone. Ninety percent of marine life live down there. The temp is nearly freezing down there. The angler fish, tripod fish, sea cucumber, snipe eel, oppossom shrimp, and black swallower.