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A blue whale can weigh as much as 200 short tons (400,000 lbs). An adult blue whale can weigh up to around 180 metric tons (400,000lbs). A blue whale can weigh as much as 200 short tons (400,000 lbs).An adult blue whale can weigh up to around 180 metric tons (400,000lbs). A blue whale calve can weigh up to 2.7 metric tons (almost 6000lbs)
The dorsal fin of the female is smaller then that of the male and is curved backwards. Killer Whale Weight is variable and fluctuates from individual to individual. Males have been recorded weighing over 19,000 pounds, with the maximum female weight just around 11,000 pounds.