Its fins give it a superficial resemblance to a freshwater angelfish, leading some people to erroneously refer to C. pinnatiformis as an "angelfish," too.
An example of one South American biotope type might be lots of bog-wood, a few native plants, with dark substrata and subdued lighting with floating plants, along with marbled hatchets, angels, cardinals, otos, corys and plecostomus.