In this video, we target exotic colorful parrot fish to add to a saltwater pond.

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

Many organisms leverage showy colors for attracting mates. Because color is a property of light (determined by its wavelength), it is easy for humans to see how these colors are used in animal ...

A Guide to Reproductive Diversity,” the second work by the author of “The Ecology of Center City, Philadelphia.” Frank, a ...