Quick answer: Dreaming about fish usually points to your feelings, your intuition, and what's moving just below the surface of your life. Classic meanings include abundance, new opportunities, and fresh starts. In several cultures, fish dreams have long been tied to good fortune or a new baby. How the fish looked and how you felt in the dream tell you which meaning fits you.
You dreamed about them. And now you cannot stop thinking about the dream, which means you cannot stop thinking about them, which is exactly the situation you were trying to manage before you went to sleep. Well played, subconscious. Well played.
