When speaking of Mercury 42, most people's impressions consist of boundless oceans and various fish monsters... This was quite normal ten years ago.
Land was a scarce resource, and most native residents were aquatic lifeforms. Since the living space for most intelligent life was actually underwater, the colorful underwater world meant almost nothing to terrestrial races like humans.
The underwater terrain and special products of each district were completely different, being underwater was everyday life for aquatic creatures, but for humans... well, most humans couldn't taste the difference between fish and aquatic plants from different areas, let alone appreciate the spectacular, colorful deep sea world.
