What a fish knows: the inner lives of our underwater cousins

Part I. The misunderstood fish

Part II. What a fish perceives. What a fish sees ; What a fish hears, smells, and tastes ; Navigation, touch, and beyond

Part III. What a fish feels. Pain, consciousness, and awarenes ; From stress to joy

Part IV. What a fish thinks. Fins, scales, and intelligence ; Tools, plans, and monkey minds

Part V. Who a fish knows. Suspended together ; Social contracts ; Cooperation, democracy, and peacekeeping

Part VI. How a fish breeds. Sex lives ; Parenting styles

Part VII. Fish out of water.