Crab (species)
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Scientists have long held that crabs are unable to feel pain because they lack the biology to do so, but behavioral evidence has recently shown otherwise! There has been a long belief that crabs only show a flinch reflex or nociceptive response to a painful stimulus. But new research adds weight to the argument - crustaceans do feel pain like we do because they can learn to avoid future painful experiences after being given an electric shock . The work with shore…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Scientists have long held that crabs are unable to feel pain because they lack the biology to do so, but behavioral evidence has recently shown otherwise! There has been a long belief that crabs only show a flinch reflex or nociceptive response to a painful stimulus. But new research adds weight to the argument - crustaceans do feel pain like we do because they can learn to avoid future painful experiences after being given an electric shock . The work with shore crabs, a species related to edible crabs tested whether the species were able to discriminate between one of two shelters and show more than just a reflex reaction to an electric shock. When 90 crabs were placed individually into a brightly lit tank they scuttled off towards one of two dark shelters at either end . The crabs naturally seek out dark crevices to avoid predators...