Fish represent one of the most diverse groups of vertebrates, exhibiting a wide array of physiological adaptations that have enabled them to colonise nearly every aquatic habitat on Earth. Central to ...

The role of fish in research on genetics and evolution / C. Kosswig -- The sex-determining mechanism of the platyfish, Xiphophorus maculatus / K.D. Kallman -- Preliminary report on sex differentiation ...

Skeletal development in fish is a multifaceted process involving a finely tuned interplay between genetic determinants, nutritional status and environmental conditions. Recent advances have elucidated ...

A new USC Stem Cell study published in the Proceedings of the National Academy of Sciences has identified key gene regulators that enable some deafened animals—including fish and lizards—to naturally ...

University of Maryland researcher Cheng-Yu Li was in the lab one day when he noticed a fish with a protruding jaw: a telltale sign that it was incubating eggs in its mouth, keeping its offspring safe ...

Genetic sequencing research led by the Federal University of Pará charts a route for protecting Amazonian species. Focused on pirarucu and other native animals, the work links conservation, controlled ...

Steelhead trout bred in hatcheries show marked genetic differences from wild fish after just a single generation, according to a new study with potentially far-reaching implications for fish run ...