It's late, your betta is wedged behind the heater and won't come out, or your goldfish is gasping at the surface, and you need to know two things: what is my fish telling me, and what do I do tonight? This book decodes the behaviors that worry owners most, hiding, gasping, refusing food, clamped fins, color changes, spots, and odd swimming, with the likely causes and a safe first response even if your guess is wrong. You'll learn why almost every symptom starts with the water, how to set u...