WASHINGTON (Reuters) - Primitive fish already may have possessed the genetic wiring needed to grow hands and feet well before the appearance of the first animals with limbs roughly 365 million years ...

The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it ...

The Amazon molly reproduces without sex. A genomic copy-and-paste trick called gene conversion may explain how it avoids evolutionary meltdown.

Herring from different parts of the Baltic Sea belong to distinct populations genetically adapted to local differences in ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. OKLAHOMA CITY (KFOR) – Genetic mutations in ...

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 ...

After years of stable catches, snoek is now more vulnerable than it appears. Declining catches have put pressure on local fishers and opened the door to imports from New Zealand.

Rice University computational biologist George Phillips is co-author on a new paper in Science detailing a 10-year effort that determined a variety of fish with electric organs evolved those organs by ...