Day 9-Carrie: Dying Fern

I have a concern about the fern in the aquatic chamber, which I presumed to be the only oxygenator for the creatures in that compartment. It appears that the fern stem is no longer green, but browning, which I believe is going to result in it dying off and the chamber no longer having a large enough source for the leach and minnow. The algae would likely not be enough to sustain life there. ......sob.....