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Fish often avoid intense stimuli, but scientists and animal welfare groups have long debated whether fish can feel pain. So is there an answer? Animal rights organization PETA claims on its ...
Studies indicating that fish can feel pain were confusing nociception with feeling pain, says Rose. "Pain is predicated on awareness. The key issue is the distinction between nociception and pain. A person who is anaesthetised in an operating theatre will still respond physically to an external stimulus, but he or she will not feel pain."
Arguing by analogy, Varner claims that any animal which exhibits the properties listed in the table could be said to experience pain. On that basis, he concludes that all vertebrates, including fish, probably experience pain, but invertebrates (e.g. crustaceans) apart from cephalopods probably do not experience pain. [19] [20]
Rose had published a study a year earlier arguing that fish cannot feel pain because their brains lack a neocortex. [38] However, animal behaviorist Temple Grandin argues that fish could still have consciousness without a neocortex because "different species can use different brain structures and systems to handle the same functions." [36]
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."
Like other fish, betta fish do "sleep." But fish do not sleep in the same way mammals do. Fish rest by slowing down their activity and metabolism, the National Oceanic and Atmospheric ...
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This fulfills the criteria for animal pain." A 2014 paper provides a critique of existing studies that purport to demonstrate that fish feel pain. [14] James D. Rose of the University of Wyoming argues this may demonstrate a chemical sensitivity rather than pain and that the evidence for pain sensation in fish is ambiguous. [15] [16]