In Hungary, ethological research is most often identified with tests on dogs, but novel methodological advances could bring another species, the paradise fish, into the spotlight. Fish are easy to ...

Researchers have elucidated how a single photoreceptor in the pineal gland of zebrafish detects color. We see color because photoreceptor cones in our eyes detect light waves corresponding to red, ...

Fish present an extraordinary range of physiological adaptations shaped by their aquatic environments and evolutionary history. As ectotherms, their metabolic rates, cardiovascular performance and ...

The Patagonian region, extending from the Andean foothills to the sub-Antarctic shelf, supports a diverse assemblage of fish taxa that display a wide range of life histories and dispersal strategies.