Can a crawldad or a crab get along with a betta fish and a snail?

Hi can anyone tell me if a crawldad or a crab can get along with a betta fish and a snail? Because my fish and snail are lonely.|||yea id imagine they all kinda control there own part of the tank the betta has the water the snail has the walls and if it gets along with the crab the floor and the crab gets the floor i see no reason why it wouldnt be compatible just keep an eye on it for the first day or two





either way if they dont get along they learn to stay away from whoever is mean so really i dont see how it could go wrong either way unless they litrally are hurting each other|||Well, crawfish could kill and eat your betta, and most crabs are brackish water or need land in there tanks. Maybe 2 african dwarf frogs! You have to feed them frozen bloodworms. I have 3 and they are so cute!