Carnotaurus was a lightly built , bipedal predator , measuring 8 to 9 m ( 26 to 30 ft ) in length and weighing at least 1 metric ton ( 0.98 long ton ; 1.1 short tons ) .
Carnotaurus was a lightly built , bipedal predator , 8 to 9 m ( 26 to 30 ft ) in length and at least 1 metric ton ( 0.98 long ton ; 1.1 short tons ) in weight .