Eli5: do fish feel pain?

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If so: how do they handle those parasites that consume their tongues without dying from the pain? They have no appendages, fingers, or other means to remove the parasite so how to they not just succumb from the excruciating pain? (Also, how does that bug parasite thing then survive in their mouth?)

Lots of confusion here!

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5 Answers

Anonymous 0 Comments

It’s an interesting question because pain is so subjective that we can’t even really scientifically demonstrate that people actually feel pain.

We’re pretty sure that people feel pain. Looking at the structures that we think enable people to feel pain we think it’s possible that fish feel pain.

However, in people it does appear that most pain is caused by the emotional experience of pain. It appears less likely that a fish could experience this. If this is true then a fish is probably not really bothered emotionally by a parasite and so any pain it may experience may be a lot less than if it happened to a person or another more highly intelligent animal.

So, the answer is, we don’t know.

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