Discover fishes of the genus Xiphophorus

Xiphophorus
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Who are Xiphophorus ?

Species of the genus Xiphophorus are mainly found along the Atlantic coast of Mexico, Belize, and Central America. In 2019, 28 species were recorded in FishBase. These fish are found over a range of about 2,200 km.

Some species inhabit very limited areas, for example in a single lake, while others are endemic to an entire basin. This is particularly true in the Mexican Transvolcanic Belt, where the genus has evolved into various taxa. Conversely, some species have a very wide distribution range.

There are four monophyletic groups: the platy and swordtail groups north of the Mexican Transvolcanic Axis, and the helleri and clemenciae groups to the south. The status of the three species found on the southern plateaus remains unresolved, and the phylogenetic relationships between the different groups are not yet fully understood. Natural hybridizations do occur, but they remain rare.

All belong to the group of livebearers, like all members of the Poeciliidae family.

En attente de chargement...

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