Methane-based ecosystems
Article Here.
In C. J. Cherryh's "Chanur" saga, the intelligent species were basically divided into oxygen and methane breathers.
Seep mussels
The Orrery
Article Here.
In C. J. Cherryh's "Chanur" saga, the intelligent species were basically divided into oxygen and methane breathers.
Seep mussels