"In What a Fish Knows, the myth-busting ethologist Jonathan Balcombe addresses these questions and more, taking us under the sea, through streams and estuaries, and to the other side of the aquarium glass to reveal the surprising capabilities of fishes. Although there are more than thirty thousand species of fish?more than all mammals, birds, reptiles, and amphibians combined?we rarely consider how individual fishes think, feel, and behave. Balcombe...