BISMARCK — North Dakota Game and Fish fisheries biologists spend a lot of time in fall surveying district lakes and the Missouri River System in North Dakota looking for natural fish reproduction, ...

Pollutants affected fish over multiple generations, according to researchers. Pollution from the production of antidepressant medication is altering fish behavior and reproductive traits, highlighting ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The queen of egg production is the ocean sunfish ...

Even accounting for their proportionate size, bigger female fish produce many more offspring than smaller fish, a new study reveals. The results hold implications for fisheries managers, since climate ...

Parenti, Lynne R. 2005. "The phylogeny of atherinomorphs: evolution of a novel fish reproductive system." In Viviparous Fishes: Proceedings of the I and II International Symposia on Livebearing Fishes ...

A DNA probing technique clarifies the mechanism behind clonal reproduction of female dojo loach fish, also providing insight into the ancestral origin of the clonal population. A DNA probing technique ...

In mosquitofish, of the genus Gambusia, male fish are smaller than females -- sometimes only half the size. Biologists had previously assumed that smaller male mosquitofish had at least some ...

Researchers from Institute of Science Tokyo present the underlying reasons behind the evolutionary bias in reproductive strategies of egg-care species. Using 240 whole genome sequences of fish species ...

Long-term exposure to pharmaceutical pollutants may be dramatically altering fish behavior, impacting their ability to reproduce and survive, according to research led by scientists from Monash ...

The level of male and female sex hormones in the largemouth bass that didn’t spawn last year on a state fish farm near Lake Griffin were off kilter and in many cases reversed. But researchers for the ...