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 ...

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 ...

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. Male swordtails court by swimming ...

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, ...

Behavioral Ecology and Sociobiology, Vol. 59, No. 1 (Nov., 2005), pp. 51-57 (7 pages) Males of the swordtail fish Xiphophorus cortezi are polymorphic for the pigment pattern vertical bars. Previous ...

Talk about a bait-and-switch. Male representatives of the tropical fish known as swordtail characins have flag-like sex ornaments that catch mates just like the bait on a fishing rod would. Talk about ...

A tropical fish uses the same tactics as human anglers to hook a mate, scientists have discovered. The male swordtail characin has a sex ornament "lure" custom-made to appeal to hungry females. Just ...

On 3 December 2018, the laboratory of Professor Axel Meyer, University of Konstanz published new findings of an experimental evolutionary project that ran for 30 years on the genomic mechanisms of sex ...

It's the look of love--when female green swordtail fish see attractive adult males, they mature faster sexually, researchers now find. On the other hand, scientists discovered when young male green ...