>>5420727A mild mutation has risen to prominence in the Flounder Feeder population. Rather than grind their cartilage teeth to useless nubs they’ve adapted to cap them with lead, making them that much more resilient and useful for “chewing” food with the assistance of the tongue, as they lack a jaw to press themselves together. The overall impact, in ease of digestion and lead poisoning, is minor and the Flounder Feeder population isn’t much impacted for better or worse.
>2/3 