Researchers uncovered an evolutionary surprise in blind Mexican cavefish: unlike their sighted relatives, they become more active in light r...

The herring in the Baltic Sea is divided into several genetically distinct populations that sometimes interbreed Image Credit: Scientific Fr...

Elephant nose fish from the genus Campylomormyrus are weakly electric in a way that makes them ideal for studying corollary discharge, the w...

A graphical abstract of the study findings Image Credit: Sasha Shute Scientific Frontline: Extended "At a Glance" Summary : Coasta...

The ability to bite food off hard surfaces, such as coral, evolved about 50 million years ago and led to the rapid formation of new species ...

Mosquitofish (Gambusia hubbsi). Photo Credit: Brian Langerhans Scientific Frontline: Extended "At a Glance" Summary : Aggressive F...

Picture of a brown trout native to Switzerland. Photo Credit: © Jonas Steiner Scientific Frontline: Extended "At a Glance" Summary...

Smallmouth bass Image Credit: Scientific Frontline / stock image Scientific Frontline: "At a Glance" Summary Main Discovery : Fres...

A male Coho salmon, featuring the characteristic hooked nose, returns to spawn from the Oregon Coast. Photo Credit: NOAA Fisheries During th...

Image Credit: Scientific Frontline / AI generated Ichthyology is the specialized branch of zoology devoted to the scientific study of fish, ...

Sharks at the coast of Ascension Island. Photo Credit Kate Downes Understanding people’s attitudes to interactions with sharks could help ha...

Photo Credit: Courtesy of Cardiff University The stress of captivity is likely to be causing reared salmon to be less symmetrical in appeara...

Pouting (Trisopterus luscus) Photo Credit: Diego Delso ( CC BY-SA 4.0 DEED ) The warming of the Earth’s oceans due to climate change is affe...

The alligator gar, and other gar species, are “living fossils” that it shows little species diversity or physical differences from ancestors...