What a Fish Knows

In What a Fish Knows, ethologist Jonathan Balcombe presents research and evidence about fish intelligence, emotions, and social lives. His work challenges common assumptions that fish are simple, unfeeling creatures. Through scientific studies and firsthand observations, Balcombe documents fish behaviors including tool use, cooperation, memory formation, and individual recognition. He examines how fish perceive their world, communicate with one another, and form relationships both within and across species. The book moves through different aspects of fish cognition and capability, from pain perception and self-awareness to problem-solving abilities and cultural learning. Balcombe incorporates both laboratory research and observations of fish in their natural habitats. This exploration of fish consciousness and capabilities raises questions about human relationships with marine life and current practices in commercial fishing. The evidence presented makes a case for reconsidering how humans think about and treat these complex aquatic beings.

Readers describe this book as eye-opening regarding fish intelligence, emotions, and social behavior. Many note it changed their perspective on fish consciousness and welfare. What readers liked: - Clear scientific explanations without being overly technical - Specific examples and research studies that demonstrate fish capabilities - Balance of scientific evidence with engaging anecdotes - Focus on ethical implications without being preachy What readers disliked: - Some sections feel repetitive - A few readers found the writing style dry - Several mention it could be more concise - Some wanted more detailed scientific explanations Ratings: Goodreads: 4.2/5 (2,100+ ratings) Amazon: 4.6/5 (580+ ratings) Sample review quotes: "Changed how I think about fish forever" - Goodreads reviewer "Too much anthropomorphizing" - Amazon reviewer "Well-researched but occasionally plodding" - LibraryThing reviewer "Perfect blend of science and storytelling" - Barnes & Noble reviewer

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🐠 Unlike most humans, many fish can see ultraviolet light, giving them a completely different visual perspective of their world. 🌊 Fish use tools in the wild - certain species have been observed using rocks to crack open shellfish and creating nests from leaves. 📚 Author Jonathan Balcombe has written four other books about animal behavior and cognition, including "Pleasurable Kingdom" and "Second Nature." 🧠 Fish can remember human faces for months and even years, demonstrating sophisticated recognition abilities previously underestimated by scientists. 🤝 Fish engage in cooperative hunting, with some species working together in coordinated groups to catch prey - similar to wolf packs or killer whale pods.