hi sorry im not really used to this can someone please help me my sister reasently moved into a new house were the last tenents left there axolotls behind there had been eating eachother i offered to take them they have no gills left and no limbs i went out and brought all the food the need that was recomended and they wont eat also one has a red mark or a bloch on its tail and flots please help i dont want them to die