By Richard O’Connor. M.D. The blue whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales (called Mysticeti).[3] At 30 metres (98 ft)[4] in length and 180 metric tons (200 short tons)[5] or more in weight, it is the largest known animal to have ever existed.[6] We are told that blue [...]







