This question is brought to you courtesy of my youngest daughter who, whilst I was blithely slicing a cucumber for a salad, remarked that did I know that they feel pain (having a cucumber version of a “nervous system”).
Egads!
At least I could not hear it screaming (being as I am an older person who has lost that part of the hearing range), but it did raise the question:
Ceenoa 
With a sledgehammer? Teheheh
LikeLike
🙂 bit of overkill perhaps?
LikeLike
Not at all hehe 😉
LikeLike
How about leaving them underwater so they drown? Or can they swim?
LikeLike
Mmm, not sure about if they swim, think they float! Drowning is supposed to be a reasonably “nice” death, so they say, how they know is beyond me though. 🙂
LikeLike