So I tell her penguins are so old, they have outlived the dinosaurs. I tell her 1 carp has no natural life span and could technically live forever.

于是我告诉她，企鹅是很古老的动物，它们的历史比恐龙更久远。我告诉她，鲤鱼没有自然寿命，所以严格来说，它能够长生不死。

youdao

Having outlived the dinosaurs -- dating back some 110 million years -- the turtles are also among the most enduring creatures on earth and, biologists say, an important gauge of the health of the marine ecosystem.

CNN: Turtles in race to beat extinction