Gosu is the first station you arrive at the start of the game and one of the key points of the story. There you meet main antagonist, Jack Dawn. Gosu is placed on sector 1A of the map, which means following marine life can be found (before end of the game):
- Brown Algae
- Goliath Shrimp
- Loricate turtle
Spoiler Alert: After the final battle, Gosu station is destroyed and on it's place now can be found all 5 species of algae, the symbol of the new era and start of wildlife regeneration.