Environments
The ecosystems
Coral reefs, kelp forests, hydrothermal vents, abyssal plains... every ecosystem has its own rules, and its own residents.
4 species · 2 oceans
Sea Ice
Sea ice itself as an ecological structure: a solid platform for hauling out, breathing holes, hunting edges. Found in both the Arctic and the Antarctic — not simply another way of saying "cold sea", but a distinct physical habitat that certain species depend on directly.
Explore this world →4 species · 2 oceans
Kelp forest / seaweed meadow
True underwater forests of giant seaweed, a refuge and pantry for abundant wildlife.
Explore this world →35 species · 4 oceans · 1 sea
High seas / open water
The great open expanses of the ocean, far from shore, home to the great pelagic migrants.
Explore this world →2 species · 2 oceans · 1 sea
Mangroves
Flooded coastal forests at the boundary between land and sea, an essential nursery for many species.
Explore this world →22 species · 3 oceans · 3 seas
Coral reef
One of the most biodiverse ecosystems on the planet, built by colonies of coral.
Explore this world →3 species · 1 ocean
Hydrothermal vents
Underwater volcanic chimneys where life does entirely without sunlight, fed instead by chemosynthesis.
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