It is the twilight. After a long day basking and defending your territory, you retire to the depths to prepare for another day. Then, an aroma tantalizes your nostrils.
An enormous biodiversity thrives on the toxic effluence of the hydrothermal vents. At the bottom of the sea, giant tubeworms, rat-tail fish, clams, various crabs, shrimp, lobsters, and ancient creatures form complex communities.
Following the extinction of the dinosaurs 65 million years ago, surviving species rapidly radiated across the planet, evolving into myriad bizarre and beautiful forms.