|Game||Ecco the Dolphin|
|Level #||21 (Genesis), 27 (CD)|
|Previous Level||Trilobite Circle|
|Next Level||The Tube|
|Typical Creatures||Dunkleosteus, Prehistoric Jellyfish, Slender Orthocone, Pteranodon|
This level ends with a boss fight against the Asterite. To beat it, Ecco has to hit three globes with the same color (four on CD version).