Why are crabs the only animal to have a weak point? If an animal

You mean like the jugular?
Sorry if I inadvertently fucked up some clever metaphor here.

>>39618623
I don't think crabs are the only animals that die if you open it's abdomen

That's blatantly untrue, many many animals have a weak point. For example, your weak point is inside your head.

>>39618688
>>39618661
>>39618636

No. A weak point like a boss from a videogame. Everyone can die from trauma to the head/heart/neck, but not everyone has a videogame-esque weakpoint like a crab.

>>39618716
except for animals that thoroughly protect those weak points

It's based on japanese history