Is that strange or normal?

hi i have a 40 gallon tropical fish tank with mollies and guppies but one of my guppies is pregnant she keeps hiding under the shells i got in there and behind the decoration and doesn't eat like before is that normal or is she dying plz help me i am worried about her
thanks

I am not sure. If she is pragnant ir can be a normal reaction. but ask a doctor or see something about fish.

I am not sure. I never had a fish...