If you liked this story, share it with other people. Bangladesh has recently achieved remarkable success in freshwater fish production, with more than 1.25 million metric tons of freshwater fish ...

Hormones that leak into streams from cattle feedlots are altering the sexual characteristics of wild fish, demasculinizing the males and defeminizing the females, according to a newly released study.

This story originally appeared on Massive Science, an editorial partner site that publishes science stories by scientists. Subscribe to their newsletter to get even more science sent straight to you.

A male fish produces a burst of hormones as he fights off an intruder. Now, researchers say that this surge isn’t triggered simply by fighting. “Apparently, the fish need to know whether they are ...

ILOILO CITY, Philippines — Philippine fisheries scientists have achieved a global first after a mackerel tuna, locally known ...

ABSTRACT Biparental care is found across taxa, but sex-specific contributions vary greatly both between and within species. Factors underlying intraspecific variation may include the phase of the ...

The zebrafish has emerged as a vital model for dissecting the complex interplay between developmental processes and thyroid hormone regulation. Its transparent embryos and rapid external development ...

CHAMPAIGN, Ill. -- Take a fish out of water and its stress hormones will go up. Adrenaline and noradrenaline, the "fight or flight" hormones, peak first, followed more gradually by cortisol. A new ...