Before a group of fish could live on dry land, they acquired the ability to breathe air. 385 million years ago, a group of fish would undertake one of the most important journeys in the history of ...

For a fish to swim forward ... the Max Planck Institute of Neurobiology in Martinsried have now identified a group of only about 15 nerve cells which steer the movements of the tail fin.

Similarly, a group of fish could have been through without leaving as much DNA. Jason Adolf, a marine scientist at Monmouth University in New Jersey and a co-author of the study, said bottom ...

If a group of fish finds a nice ecological niche that works, and it has a very obvious way of communicating with its immediate group, members of that group of fish will mate only with each other ...

"The system is designed to have the measuring sensitivity to capture the energetic cost of an individual fish compared directly to the cost for a group of eight fish," said Zhang. "By ...