If your aquarium feels a little blah, maybe it’s missing some bold personalities. We’re talking fins that flash like neon signs and colors that could outshine a fashion runway. These fish don’t need a ...

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 ...

Swordtails are well-known beginner-friendly, community fish species, compatible with various other fish and environments. They have been bred for many generations, resulting in many different ...

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 ...