Who Gives A Fish Forums

I recently added two Yellow Lab Cichlids to my 120-gallon tank, and it's been less than a week. They're only about an inch long, but I've already noticed something interesting - they seem to dislike the tank light. As soon as it's on, they retreat to their caves. What I find peculiar is that the light is only 36W, which is relatively low-powered. Is this a normal behavior for Cichlids? Are they generally sensitive to light or is there something specific going on in my tank?

Being small and new to the tank, they probably need time to settle in. Adding a few more might help them feel more at ease and less shy, but I'm not sure if that's the best idea with them being so sensitive to light already.