Riagig V

Riagig V
Shallow frozen lakes and swamps.   The plants are pink, reticulated stalks with dark green tentacles at the top.
Every seventeen years, billions of wrinkled creatures hatch all at once and begin to swarm, eating everything in their path. They make quiet hissing sounds.
The planet is perfectly round, with no equatorial bulge.
Habitability: 50%
Size: 6
Industry: 2
Science: 4
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Category:Riagig system