I find driftwood and plants to be good for bichir, they hide but will come out when they are more comfortable in their enviroment, the bichir chooses to hide, they prefer to. Of course for those with aspiration for creating the "bichir substrate effect" they will not find such apealing.
JDM blew up as an automotive term and fish were kept this way in many countries before the stupid term hit MFK. JDM blah blah blah.