https://fishyfeatures.com/the-surprising-diet-of-jawless-fish-what-they-really-eat-will-shock-you/
The Surprising Diet of Jawless Fish: What They Really Eat Will Shock You!
Oct 22, 2025 - Jawless fish are a unique group of aquatic animals that are known for their lack of jaws and paired fins. While they may look primitive, they have evolved a
https://www.livescience.com/4256-odd-fish-jawless-360-million-years.html
Odd Fish Jawless for 360 Million Years | Live Science
Oct 25, 2006 - They lack jaws, eyes and bones, but lampreys and their "primitive" anatomy have survived 360 million years and four major extinctions relatively unaltered,...
oddfishmillionyearslive