Guppy Multi Colored Fish in a Tropical Acquarium. Image via Depositphotos. The vibrant world of aquatic life is often exemplified by the dazzling courtship rituals of male guppies. These small, ...

Well, at least for mosquitofish—a matchstick-sized fish endemic to Central America ... According to the ANU scientists, male mosquitofish possess impressive problem-solving skills and can ...

For decades, scientists were baffled by why thorny skates in the North Atlantic came in two distinct sizes. Despite extensive ...

Their research focused on three key areas: the sex reversal, whole genome sequencing and population genomics of the fish. Notably ... individuals transition from male to female at a certain ...

The research has revealed how male Hilsa undergo sex reversal to become ... The overall research results suggest that Hilsa fish complete their first year of reproduction as males and then migrate ...

They studied how individual female guppy fish choose different males and found that, although all the females liked males with bright orange spots and large tails, a minority of females also liked ...