We examine the evolving concept of what constitutes a non‐native (or alien) freshwater fish.
In an attempt to distinguish between biogeographical and socio‐political perspectives, we …

Twenty‐five introduced fish species are established in Spanish fresh waters. Most of the
introductions took place after 1900, with a significant exponential increase during the …

Nonnative invasive species are one of the main global threats to biodiversity. The
understanding of the traits characterizing successful invaders and invasion‐prone …

We compared the life-history traits of native and invasive fish species from Catalan streams
in order to identify the characters of successful invasive fish species. Most of the exotic fish …

1. A basin approximation was used to analyse distribution patterns of different components
of biodiversity (taxonomic richness, endemicity, taxonomic singularity, rarity) and …

In aquaria, adults and young‐of‐the‐year (YOY) of both Spanish toothcarp Aphanius iberus
and Valencia toothcarp Valencia hispanica received more aggression in the presence of …

River fragmentation due to artificial barriers directly impacts fish communities by limiting
migratory movements. This work aims to understand how small barriers affect the …

The present conservation status of the endemic freshwater fish of Spain is reviewed and
compared with a former list made in 1986. Ten taxa (species and subspecies) are …

The diet composition of largemouth bass, Micropterus salmoides, and pumpkinseed sunfish,
Lepomis gibbosus, and its relation to environmental factors was studied in intermittent …

Native and exotic freshwater fishes in Spanish Page 1 Freshwater Biology (1995) 33, 103-108
APPLIED ISSUES Native and exotic freshwater fishes in Spanish river basins B. ELVIRA …