Yamamoto thinks the unique group of fishing motor neurons found in frogfish suggests that, as a result of evolution, "the ...

Its teeth are designed not so much to grab or slice fish but to prevent them from escaping once the coelacanth has sucked them into its gaping maw. Beneath the chin lie large, bony plates.

Edinburgh scientists hope the results of a study into the nervous systems of a species of small exotic fish could hold clues to new therapies for people with paralysing spinal cord injuries.