That's been a common refrain with my drake. His chompy-chomp is murderous, but there are things out there you don't want to take the chance of contamination with. Tentacled Horrors From Beyond are good candidates here.
"Are you going to eat that?" is the common joke at the table. There are fights where, afterwards, the drake goes off a bit and gags repeatedly because he just ripped great bleeding chunks out of something unpleasant with his teeth. Would you want to take a bite out of a rotting corpse?