The swordtail fish originates in tropical freshwater ecosystems in Central America. The species’ natural range stretches from Veracruz, Mexico, to Northwestern Honduras.

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 ...

In some swordtail species, the males are all “courters,” using their swordtail and showy movements to convince females to permit mating. However, in other species, ...

Camera sheds light on mate choice of swordtail fish Date: September 16, 2014 Source: Washington University in St. Louis Summary: We have all seen a peacock show its extravagant, colorful tail ...

Biologists unlock chemical clues to courtship in swordtail fish urine Date: February 11, 2011 Source: Texas A&M University Summary: When you've got to go, you've got to go -- upstream, that is, if ...

In the fishbowl version of a pickup joint, the mere sight of a well-endowed male swordtail causes genes to switch off in the female's brain. The result: She throws caution to the wind to win the ...

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. Plants & Animals Feb 10, 2011 ...

The goldfish tops the charts, but the rest of the shoal is a mixed bunch, from coldwater sturgeon that measure up to 3ft to tiny, iridescent tetras – one of the most popular tropical fish.