How to keep crabs alive overnight?
When raising crabs, pick out the dying crabs as soon as possible and try to touch their eyes to judge.
Generally speaking, crabs can't be eaten after death, because they will breed bacteria and decompose to produce toxic substances, which will affect the body if eaten.
Crabs can be cooked and eaten by steaming, frying, boiling and frying. However, it should be noted that the crab cheeks, intestines, stomachs and hearts in crabs cannot be eaten and should be thrown away.