The subgenus Mollienesia is a diverse group of freshwater fishes, including species that
have served as important models across multiple biological disciplines. Nonetheless, the …

With 22 described species, Phalloceros is the most species-rich genus of Poeciliidae in
South America. Phalloceros diversity is characterized by high degrees of endemism and …

The aim of this study rests on three premises:(i) humans are altering ecosystems
worldwide,(ii) environmental variation often influences the strength and nature of sexual …

Superfetation is the ability of females to simultaneously carry multiple broods of embryos,
with each brood at a different developmental stage. Matrotrophy is the post-fertilization …

Our study represents the first attempt to describe biogeographic provinces for North
American (México, United States, and Canada) turtles. We analyzed three nested data sets …

Aim Poeciliids are ecologically important, are widely used as pets, and also have value as
model organisms. To understand diversity within this family, we study their phylogenetic …

Abstract Background The Western mosquitofish, Gambusia affinis, is a model for sex
chromosome organization and evolution of female heterogamety. We previously identified a …

Mexico is a megadiverse region with a complex geological history, but it remains unclear to
what extent the distribution of freshwater fish has been influenced by geographic barriers …

Abstract Two North American species of mosquitofish, the Western (Gambusia affinis Baird
and Girard, 1853) and Eastern mosquitofish (G. holbrooki Girard, 1859), rank amongst the …

Pollution that occurred in Pasuruan area's watershed Wangi–Beujeng river, District of Beji,
Indonesia has been initiated in 2007 and continues to this day. The activity was caused by …