A reptile breeding tank includes a tank body formed of a front cage panel, a back cage panel, left and right cage panels, a top cage panel, a bottom cage panel and an arched angle of intersection between the front cage panel and the top cage panel, a back plate detachably mounted at the rear side of the tank body and supported on the back cage panel, and a flip-up top cover hinged to the tank body and turnable between an open position to open the top side of the tank body and a close position to close the top side of the tank body.
