Shortly after the developing nervous system closes off into a tube, ... And armored fish were once quite common prior to the evolution of any of the lineages studied here.

Fish can Help Improve Nervous System Function. by VR Sreeraman on Dec 18 2009 4:47 PM. Omega-3 fatty acids, commonly found in fish, appears to play a significant role in improving nervous system ...

Electric fish, which have electric receptors in their skin that serve as a kind of radar system to help them navigate, communicate and locate food and mates, could provide insight into how our own ...

Eerie Lampreys Hint at the Origins of Our ‘Fight-or-Flight’ Response and Sympathetic Nervous System. The jawless, parasitic fish largely haven’t changed over the last 340 million years, but ...

Sea lampreys (Petromyzon marinus) belong to a group of fish called jawless vertebrates, which scientists thought lacked nervous system characteristics seen in jawed vertebrates, such as the ...

Caribbean box jellyfish, animals that may appear to float through life aimlessly and don’t have a central brain, still have the ability to learn rapidly and retain information, new research has ...

Neural crest cells are involved in the development of osteoderms (like those in crocodiles) and the plastrons of turtles, so it seems likely. Some sources say they're behind virtually all extra ...