My upside down catfish wont guzzle ?

we bought him 2 days ago and he is still not eating, what do i do?
Is my 55 gallon too crowded?
It can take a week or two for a fish to fully settle into a new container. Give it time and don't harass it.
Freshwater container problems?
New fish can be very shy, particularly if he is the only one of his kind contained by the tank. You can always try adding two or three more upside-downs to create him feel more at home.if your cistern has room for them.

otherwise, he'll eventually come around.
Advice on compassionate for aquarium plants?
Answers:    These are fun fish to have. Just relax, he is probably just getting used to his spanking new home. He may be eating more than you think. He will put away leftovers that reach the bottom of the tank. Consider getting a few more, he will do much better next to a group of at least 6. But, that is only whether you have room for that many.=
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