Photorealistic deep-sea documentary footage, vertical 9:16, of a violent encount

Photorealistic deep-sea documentary footage, vertical 9:16, of a violent encounter between TWO utterly alien bioluminescent abyssal creatures locked in a struggle in pitch-black water at roughly 5200m depth on the edge of a cold hadal trench — shot exactly like authentic ROV / crewed-submersible footage: a single cold blue-white spotlight cutting through total darkness, fine marine "snow" parti...