The swordtail is a beginner-friendly tropical fish species. This hardy fish comes in various vibrant colors and can be kept in a freshwater tank as small as 10 gallons. These traits make swordtails ...

New research on swordtail fish suggests male courtships displays aren't always just for appealing to the ladies, but for showing off and scaring away other males too. Subscribe to read this story ...

We have all seen a peacock show its extravagant, colorful tail feathers in courtship of a peahen. Now, a group of researchers has used a special camera to discover that female northern swordtail fish ...

When you've got to go, you've got to go -- upstream, that is, if you are a male swordtail fish seeking a mate, according to new research. When you've got to go, you've got to go -- upstream, that is, ...

Justin Havird, Erik Iverson and their colleagues have identified genes involved in hybrid incompatibility in swordtail fishes. The sheepshead swordtail fish (Xiphophorus birchmanni). Photo credit: Dan ...

Are you thinking of keeping fish as pets but don’t know where to start? Take a look at two of the most popular choices for beginners - Guppy fish and Swordtail fish. Here are the reasons why these ...

COLLEGE STATION, Feb. 9, 2011 — When you've got to go, you've got to go — upstream, that is, if you are a male swordtail fish seeking a mate, according to research from Texas A&M University. A recent ...

An analysis of the genomes of hybrids of distinct swordtail fish species uncovered a lethal incompatibility between certain combinations of nuclear and mitochondrial genes that encode subunits of ...

When you've got to go, you've got to go -- upstream, that is, if you are a male swordtail fish seeking a mate, according to research from Texas A&M University. A recent study led by Texas A&M ...