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Do fishes
think? Do they really have three-second
memories? And can they recognize the
humans who peer back at them from above
the surface of the water? 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 upends our assumptions about
fishes, portraying them not as unfeeling,
dead-eyed feeding machines but as
sentient, aware, social, and even
Machiavellian―in other words, much like
us.
What a Fish Knows draws on the latest
science to present a fresh look at these
remarkable creatures in all their
breathtaking diversity and beauty. Fishes
conduct elaborate courtship rituals and
develop lifelong bonds with shoalmates.
They also plan, hunt cooperatively, use
tools, curry favor, deceive one another,
and punish wrongdoers. We may imagine that
fishes lead simple, fleeting lives―a mode
of existence that boils down to a place on
the food chain, rote spawning, and lots of
aimless swimming. But, as Balcombe
demonstrates, the truth is far richer and
more complex, worthy of the grandest
social novel.
Highlighting breakthrough discoveries from
fish enthusiasts and scientists around the
world and pondering his own encounters
with fishes, Balcombe examines the
fascinating means by which fishes gain
knowledge of the places they inhabit, from
shallow tide pools to the deepest reaches
of the ocean.
Teeming with insights and exciting
discoveries, What a Fish Knows offers a
thoughtful appraisal of our relationships
with fishes and inspires us to take a more
enlightened view of the planet’s
increasingly imperiled marine life. What a
Fish Knows will forever change how we see
our aquatic cousins―the pet goldfish
included.
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