Nation This carnivorous fish loses – and regrows – about 20 of its 500 needle-sharp teeth each day November 17, 2021 Jordan Mendoza, USA TODAY Comments Off on This carnivorous fish loses – and regrows – about 20 of its 500 needle-sharp teeth each day Growing up to 5-feet long and eating animals like squid and crabs, the Pacific lingcod has around 500 teeth, but 20 of them are lost in one day.