Riaoll II

Riaoll II
A planet-wide, deep ocean mostly free of ice, except at the poles. 
Every thirteen years, billions of segmented creatures hatch all at once and begin to swarm, eating everything in their path. When threatened, they release a noxious fluid.
The sunsets are especially beautiful.
Habitability: 50%
Size: 3
Industry: 3
Science: 3
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Category:Riaoll system