What aquarium fish can take off a finger?

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Morays, tigerfish and pacu. Iv kept some decint size morays and they can definatly get a lil too nippy at feeding time. Theres a video on youtube of a scuba diver getting his thumb taken off my amoray in one bite. They replaced his thumb with one of his toes lmao.
 
I believe that it would take around 600 pounds of force or so to completely amputate a finger clean off. I am probably wrong but it is around that area of force and you would need some sharp or stump like teeth


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Thats probably straight through the bone though. I think a large part of it depends on where the bite lands. If something got you in the joint of your finger, plus maybe some head shaking like a shark, it tink it could come off pretty easy. That moray video I mentioned took the whole thumb at the base of his palm. But this was also like a 6foot green moray. They solid muscle and super strong.
 
Pacus supposedly eat Brazil nuts in the wild.

My pacu crunch carrots. Here's a video. I threw in a whole carrot to make things a little more interesting. (old video, pacu were much smaller then)
[YT]Din0wZw43fU[/YT]


Here they are tag teaming a carrot
[YT]o8yBQnCtRU4[/YT]


One of my pacu bit me when I was waggling my fingers in front of him. Fortunately, he bit the side of my finger and not the tip of my finger. I had a crescent shaped bite mark on my finger where all his teeth had punctured my finger. It bled profusely. The bad thing was that I was undergoing chemotherapy at the time and had a very weakened immune system. The fish bite is noted in my medical records. I believe my pacu could bite off a finger. Not having hands, my fish only have their mouths and teeth to examine their world....and my pacu are very curious about everything.
 
The moray is the #1 answer to me. The one that took of that divers finger wasn't that huge. It could easily be housed in an 8x3 sw tank by itself. And it took that guys thumb CLEAN OFF with its second set if jaws.
 
Well its not a fish as such but we can keep fresh water crocs over here, they can take your whole arm off lol! I know people who keep them a 6x2x2 for a few years then they have to go off to the zoo 99% of the time.

I doubt any fish can actually take your finger off on the first bite, else your testing it and allowing him tear at it they might be able but 1 bite occurring on accident no chance, when people get snapped at by a dog it doesn't take off fingers else it pulls and twists also pretty sure your average fish has half the bite force of a dog and smaller weaker teeth. best bet would be a full grown pacu closet I can see to getting the bone off.
 
The moray is the #1 answer to me. The one that took of that divers finger wasn't that huge. It could easily be housed in an 8x3 sw tank by itself. And it took that guys thumb CLEAN OFF with its second set if jaws.
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I saw that video. You could hear the bone pop. Probably wasn't a good idea to feed a Moray eel sausage links bare handed.
 
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