Depends on tank size, tank layout, other stock, and lighting. Laetacara dorsigera/curviceps/araguaiae (these species are often sold under those names) are typically quite shy, but can be bossy at times. They tend to prefer the middle portion of the tank, and prefer a tank with subdued lighting to bring them out a bit more. Hiding places and plants (either fake or real) are an absolute must IME