To dream of catfish represents a situation that isn’t really what you wanted or hoped it would be. Feeling good settling for less or having to accept an alternative.
Example: A woman dreamed of catfish swimming towards her. In waking life her old boss was trying to rehire her for a job she was let go from due to fraud inside the company. The catfish swimming towards her reflected her positive feelings about her old boss wanting to rehire her while also feeling that she wanted to work somewhere else.