in what layer of the arctic ocean do narwhals live in
Graduate study, travel, work make me an expert in benthics, European languages, wildlife mapping, world fauna and flora. Narwhals live in the upper, sunlit zone of the Arctic and North Atlantic Ocean waters. It ventures down into the middle zone and even the topmost part of the lower zone. But these are merely forays for food.
Temperature Fish that live in cold water have adapted to the temperature. Their body would overheat in warm water. Fish that live in extremely cold water (Arctic) have a natural anitfreeze that keeps their blood and tissues from freezing. In the very deep parts of the ocean, near volcanic vents, organisms can actually survive in extremely hot water. Light Most organisms need light.