hiding molly

Question
I bought 3 Mollies yesterday..my question is why is one of them hiding in the big rocks i have in my tank  i don't know if it's male or female.but it don't look big enough (not fat) to be pregnant..
can you tell me the problem?
Thanx

Answer
Hi Bill,
  It is very likely that the other two fish are bothering it.  It may take it some time to feel confident enough to swim around.  Be sure that there are lots of hiding places in the tank for the weaker fish to hide in when they need to or want to.

-- Ron C.
  rcoleman@cichlidresearch.com
  Cichlid Research Home Page <http://cichlidresearch.coM.