Kept at less than 34 F. it might keep for 12 hours, but after that the natural contaminants found in crab meat cause a breakdown of the protein. This is not good. Toss all shellfish kept more than overnight. One might rescue them if they are taken from the table and immediately frozen solid and then only used for stock in bisque.
no
yes hermit crabs can eat turkey but it has to be fully cooked and not very hot.
Cooked hamburgers are generally safe to eat for up to 3-4 days when stored in the refrigerator.
A cooked egg is generally safe to eat for up to one week when stored in the refrigerator.
Small fish, plankton, and other hermit crabs
Yes, they can eat raw green beans. It is not good for them to eat cooked vegetables. Long leafy greens are preferred.
As long as there is no seasonings
yes, crabs are barbarians!! eat them! yes, crabs are barbarians!! eat them! yes, crabs are barbarians!! eat them! yes, crabs are barbarians!! eat them! yes, crabs are barbarians!! eat them!
Because they taste good.
As long as your willing to eat them. This is a tough question to answer. If the oysters were on the verge of spoiling prior to cooking then that changes everything. It also depends on how they were cooked. Fried oysters will be fine refrigerated for a few days where as oyster stew will be good for just about a week. Seriously I wouldn't eat cooked oysters more than 3 or 4 days old.
Crabs will eat any dead fish they can get their claws on. There isn't much they won't eat. Answers.com has a good article on the crab, and it includes information on its diet.
Leftover pork should be good for 3 to 4 days, refrigerated.