New American Dream Dictionary
by Joan Seaman - Tom Philbin
1. A good omen for upcoming projects, adventures or journeys.
2. A need for good nutrition for the hungry mind (as in “brain food”).
3. Use caution for possible deceptions or misunderstandings, usually emotional (as in a “red herring”).
Ten Thousand Dream Interpretation
by Gustavus Hindman Miller
To dream of seeing herring, indicates a tight squeeze to escape financial embarrassment, but you will have success later.
Mystic Dream Book
by Internet Archive - Anonymous
Fish are always good omens; you may expect success in business, but you will have to work steadily in order to secure it.