hey i have a little baby bluey ive had him for about 5weeks it seems like its going through its first shed it eats everything you offer it ad walks and runs like there is no 2moz i went to get him out of the tankand i noticed in his back he had a big lump and then lower down his back it sorta goes into a dip and the his tail it dont seem to be worrying him to much but just want to no if anyone has ever experienced this befor and if anyone has any help cheers