At the shallower end of the Vampire Squid 's vertical range , the view from below is like the sky at twilight : The highly sensitive eyes of deepwater dwellers are able to distinguish the silhouettes of other animals moving overhead . At the shallower end of the Vampire Squid 's vertical range , the view from below is like the sky at twilight : The highly sensitive eyes of deepwater denizens are able to distinguish the silhouettes of other animals moving overhead .