That might be a male as well. Sometimes they " show " at different ages/sizes, so one month one may look male before a sibling that is also male does. Post here in another month and it will be easier to tell more accurately.
Mirage came out of brumation on April 26. He was doing great. On May 2 he started acting funny. We just redid his tank, and he keeps going into one of his hides. He just lays there. He shows no intrest in food. HELP!