This study documents the presence of Cyprinus carpio in 119 natural environments and 49 artificial habitats in Argentina, showing an exponential increment of invaded locations over time since it was introduced in the nineteenth century. Geographic expansion patterns revealed that since its initial introduction, species records demonstrate an increment in the central portion of the country only after 1970 and subsequent expansi...

This study assesses for the first time the relationship between annual cycles of different biological indices with growth patterns of a marine pejerrey Odontesthes argentinensis population near its southern‐distribution boundary in North Patagonia. The reproductive period is between September and November evidenced by an increase in the gonado‐somatic index with a peak in October corresponding to spawning. The reproductive cyc...

The Eurasian spiny waterflea ( Bythotrephes longimanus ) is a predacious zooplankter that has increased its range in Europe and is rapidly invading inland water‐bodies throughout North America's Great Lakes region. To examine the genetics of these invasions, we isolated five microsatellite DNA loci with between 5 and 19 alleles per locus. We sampled three populations where B. longimanus has been historically present (Switzerla...