Is a whale a mamal or a fish?

Is a whale a mamal or a fish? Is a whale mammal(哺乳动物）or a fish Is a whale a mammal or a fish?What is the meanin a whale is more an animal than a fish.翻译 A whale is no more a fish than a horse is.这个no more..than..句 A whale is no more a fish than a horse is （a fish）．用中文怎样翻译比较 Which is smaller,a blue whale or an elephant? As is known to all,the whale is not fish but a mammal. 1.Is an elephant much smaller than a blue whale?2.Which fish A whale is no more a fish than a horse is.请问如何划分这个句子的结构 ln size,a sperm whale is()than a killer whale.a killer whale which is the heaviest,a bear ,a whale or an elephant?