Question: how tall are pygmy blue whale?
Answer: Pygmy blue whales reach sexual maturity at 10 years of age and a length of 19.2 meters (63 feet), weighing on average 52.5 tonnes (58 tons). As adults, males average 21.1 meters (69 feet) and females 21.9 meters (72 feet), with most probably between 20.7 and 22.5 meters (68 and 74 feet).