Roach fish that migrate between different lakes and water courses have larger pupils and better eyesight than roach fish that stay in one place. The adaptation makes it easier for the red-eyed ...

From birds to crustaceans, numerous animal species migrate each year to find more food, pleasant weather or the perfect place to breed. But at least one species — a freshwater fish called the common ...

Research now reveals that fish can migrate to avoid the threat of being eaten. A new study shows that roach fish leave lakes and move into surrounding streams or wetlands, where they are safer from ...

From birds to crustaceans, numerous animal species migrate each year to find more food, pleasant weather or the perfect place to breed. But at least one species — a freshwater fish called the common ...

Dear G.G.: There remains controversy about fish oil, but recent studies prompted the U.S. Food and Drug Administration advisory committee to recommend wider use of a prescription fish oil. These new ...

Dear Dr. Roach: I am a 75-year-old male. I have had hemorrhoids for many years, with no pain and little discomfort. I have declined to have hemorrhoid surgery over the years. I have been taking ...

Dear Dr. Roach: Since I suffer from age-associated cognitive impairment, I read with interest an advertisement that claims that this condition may be caused by fish oil, which I have been taking ...

With a fish net in one hand and backpack in the other, UC Davis fish biologist Peter Moyle set out across the dry Sierra foothills Thursday to look for a fish he feared was destined for extinction ...