Big plants, such as large swords and the like, are required to keep this fish in a planted tank.
They will uproot many smaller plants and bulbs, but generally leave large stem/rozette/rhyzome plants alone. I keep 4 and they love lounging on my swords and ludwigia repens.
We've really taken a liking to these fish and keep groups of 5 in each of our 75g tanks. They compete with the clown loaches for algae wafers and shrimp pellets. They also swim up and troll the top of the tank for flake food as well. Unlike kuli's these guys are active all day and seem to play with each other. Baby tears and mirco swords were a problem when first planted but once established that was it. Our larger golds are 6"+ at just over a year in the tank so they do get big. They don't dig a great deal if at all. Our substrates are Flourite and Eco Complete. Theres no telling when you look at the tank where they will be (including laying draped across the top of your drop checker) With them in a group I want to repeat we haven't had a digging problem.
One of my coolest fish, it gets a lot of comments from visitors ("Is that an eel?" "Cool fish!"). I only keep one of them because of the plant uprooting they can cause (I have a 55g with some space for the loach), and it's of the gray-black camo variety. It has a strange crook in its back, and after some research, I found that its common for them to have some spinal cord issues (so don't worry too much). I really hope it isn't painful, but the loach seems happy and even floats to the top to compete for flakes. Feed it plenty of wafers and don't get snails or small inverts that it eats.
I have one of these in a small (6 gallon) tank, and he is a lot of fun to watch. Right now he is about 3" long, so I will need to move him to my larger community tank in the very near future. I got this guy to get rid of snails in a tank that had Bamboo Shrimps in it that I could not treat with chemicals. He did a great job with clearing up the snails, and he is very friendly with the other fishes; he also has not bothered my planted bamboos. He is extremely active which makes the small tank seem really busy; he provides a nice counterpoint to my sedentary shrimps. One concern is that these fish can grow really big; I was aware of this when I added him to the smaller tank, and the plan was always to move him to his permanent home once my snail problem was taken care of. So far as I can tell, other than the size that these can reach this fish makes an interesting addition to a community tank. My Dojo Loach eats snails like crazy, and I am considering renting him out to other hobbyists who have snail issues that do not want to treat for them with chems.
My dojos don't bother big plants but are hard on delicate ones. They're labyrnth breathers so when (not if!) they jump out should survive til you can find them! Curious, friendly, very entertaining. Definitely social fish, they do much better in groups.