1. Lancetfish – It’s look is very similar to Dino Family and even its scientific name has a dinosaurian sound to it (Alepisaurus ferox).
2. Frilled Shark - This deep sea predator, one of the most primitive sharks alive today, is a relic from the Cretaceous period.
4. Hagfish - hagfish have existed for over 300 million years, which means they were already old when dinosaurs took over the world,
5. Sturgeon - The sturgeon is well known for being one of the main sources of caviar (which is made out of their roe or egg masses). Another survivor from the age of dinosaurs!
6. Alligator Gar – This predator is found in the southern US and northern and eastern Mexico, being the largest freshwater fish in North America. Gars are among the oldest fish alive today; their origins can be traced back to the Cretaceous period.
7. Sawfish – This can be found both in saltwater or in rivers and creeks and length Up to 7 meters (23′). The prehistoric sawfish were probably a staple food for the largest carnivorous dinosaur, Spinosaurus, as a vertebra from the fish was found stuck between the dinosaur’s teeth.