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Fish fulfill several criteria proposed as indicating that non-human animals experience pain. These fulfilled criteria include a suitable nervous system and sensory receptors, opioid receptors and reduced responses to noxious stimuli when given analgesics and local anaesthetics, physiological changes to noxious stimuli, displaying protective motor reactions, exhibiting avoidance learning and ...
Pain has the adaptive advantage that it invokes a level of learning, thereby preventing the animal from repeatedly exposing itself to potential injury. [36] Pain cannot be directly measured in other animals, including other humans; responses to putatively painful stimuli can be measured, but not the experience itself.
A Galapagos shark hooked by a fishing boat. Pain negatively affects the health and welfare of animals. [1] " Pain" is defined by the International Association for the Study of Pain as "an unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage."
University of Leicester Fish Biology and Fisheries Professor Paul Hart agreed with Zangroniz and added that for the European Union and the United Kingdom, asserting that fish can feel pain comes ...
She demonstrated fish felt pain using a series of experiments, the first of which included showing that fish contained the correct anatomy to detect pain (nociceptors). [ 1 ] [ 5 ] She showed that fish produce pain-killing opioids in the same way that mammals do. [ 5 ]
Pain in fish was a Natural sciences good articles nominee, but did not meet the good article criteria at the time. There may be suggestions below for improving the article. Once these issues have been addressed, the article can be renominated. Editors may also seek a reassessment of the decision if they believe there was a mistake.
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