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I fished often when I was young, but then gradually stopped. I was thinking of fishing again, but now I am a little put off thinking that the fish are feeling pain from a hook. Is there scientific evidence for or against?

closed as off topic by LudoMC, wax eagle, Tonny Madsen, JW8, Adam Lear Feb 12 '12 at 1:17

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  • To do this one would first have to define pain. Is there a difference between pain and an evolved response to tactile physical danger? If so how do we distinguish between the two? If not, how can we prove so? – corsiKa Feb 10 '12 at 0:24
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    Sceptics question? – Dmitry Selitskiy Feb 10 '12 at 5:19
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    @corsiKa I agree fishing is a sport. No question there. But where is the competitive element in connection with this question? – Tonny Madsen Feb 10 '12 at 18:02
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    Nice name. You should re-ask this on The Great Outdoors if it doesn't get migrated. – Kevin Feb 10 '12 at 18:57
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    I'm not at all sure that this belongs on Outdoors either. If we had a Pets.SE, maybe? Either way, this question is indeed off-topic here. Your question is effectively the same whether it's asked from the point of view of a competitive angler or a recreational fisherman (or any other person). – Adam Lear Feb 12 '12 at 1:19
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There is evidence for fish feeling pain. Obviously you cannot simply say they do feel pain, only that we can observe behaviors that could be consistent with them feeling pain, and that they have the physical chemical receptors to facilitate a pain signal.

A 2010 book by Victoria Braithwaite titled Do Fish Feel Pain argues that the "latest scientific evidence suggests that we should widen to fish the protection currently given to birds and mammals." I didn't buy the book, but this would suggest that her research indicates that they do. After all we wouldn't widen protection for animals that don't feel pain.

Her 2002 article on the matter also suggests they have pain-like feelings.

Whilst we agree with the author that fish are unlikely to perceive pain in the same way that humans do, we believe that currently available evidence indicates that fish have the capacity for pain perception and suffering.

A 2003 article by Lynne Sneddon states

Recent anatomical and electrophysiological studies have demonstrated that fish are capable of nociception, the simple detection of a noxious, potentially painful stimulus and the reflex response to this.

And that

Administering morphine significantly reduced the pain-related behaviours and opercular beat rate and thus morphine appears to act as an analgesic in the rainbow trout. It is concluded that these pain-related behaviours are not simple reflexes and therefore there is the potential for pain perception in fish.

As for the impact this is going to have on your angling, I can't say because I'm not much of an angler. Perhaps consider numbing tipped barbs or something similar. But the actual equipment selection is the scope of another question.

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