I fear your analogy is close to the mark.
I reckon most probable scenario is Frigate < 5mmcf/day Gurame 12-25mmcf/day for 32c high
Least probable, but still a possibility, Gurame and frigate don't flow and 8c ps
Best case, frigate flows +20mmcf and Gurame at the max.. 30mmcf
For 45-55c