What a Fish Knows: The Inner Lives of Our Underwater Cousins
Jonathan Balcombe Farrar, Straus and Giroux (2016)
More than 30,000 species of fish — about half of all vertebrates — roam global waters. And as ethologist Jonathan Balcombe notes in this engrossing study, breakthroughs are revealing sophisticated piscine behaviours.
Balcombe glides from perception and cognition to tool use, pausing at marvels such as ocular migration in flounders and the capacity of the frillfin goby (Bathygobius soporator) to memorize the topography of the intertidal zone.
Yet, he argues, the over-exploitation of wild stocks, notably of apex predators such as tuna, points to the need for change on moral as well as ecological grounds.
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