I've wondered for years why the crypts in my low light and high light tanks
were so different. They're all from the same plant I got many years ago and
have divided several times. The ones in the low light tank grow vertically
with 3-4" stems and green leaves with a reddish stripe down the center, while
the same plant in the other tank is a mottled reddish-brown/green and grows
horizontally, never more than two inches above the substrate. If I hadn't
divided and planted them myself, I wouldn't believe they were the same plant.

They do that. In the low light tank they're struggling to reach out for the
light. In the high light tank they act as though the were emerse and
grow "normally".


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