Do fish feel pain?

Puts a different spin on that fishing trip after I’ve always told myself “it’s ok, fish don’t feel pain” (to paraphrase Kurt Cobain)… I was the first to identify the existence of nociceptors in a fish, the rainbow trout, in 2002. These are specialised receptors for detecting injury-causing stimuli, and their physiology is strikingly similar to those found in mammals, including humans. Since then, my laboratory and others across the world have shown that the …

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