Ecology and Management of Invasive Fish Species

Dear Colleagues,

The introduction of invasive species, i.e., species that establish and spread when introduced beyond their native range, is recognized as one of the major threats to biodiversity and ecosystem function, and a major driver of global change. Invasions by non-native species (or non-indigenous or exotic) are of widespread concern, not only because of their detrimental effects on ecosystem processes but also because of their economic consequences. Besides imposing huge economic costs, invasive species may cause extinction of native species, alter the structure and function of the invaded communities, and cause reduction in genetic diversity and biotic homogenization through a variety of mechanisms. Human activities, the increase in international trade and transport, and economic globalization have accelerated, both intentionally and accidentally, the rate of introduction of non-native species. Aquatic ecosystems are particularly sensitive to the adverse ecological consequences of species introductions, and fish are among the most introduced group of aquatic animals worldwide, continuing to expand in both frequency and geographic extent. Understanding the factors leading to successful invasions of aquatic ecosystems, the identification of communities or habitats most susceptible to invasions, the effects of invading species on native assemblages, and the ecological mechanisms involved (facilitating or limiting) is of great importance for protecting and restoring native species, mitigating the effects of current invaders, as well as for developing and prioritizing management strategies, risk analyses, and prevention and eradication measures.

Original research papers that address any aspects of fish invasions, impacts and management are invited to contribute to this Special Issue. Theoretical, meta-analyses and review papers are also welcome. From freshwater to marine systems, topics of particular interest include, but are not limited to: invasion ecology; mechanisms driving invasions; impacts of invasive fish species on native fauna, habitats or ecosystems; examples of successful control and/or eradication measures; risk analysis; development and application of molecular tools (eDNA and DNA barcoding and metabarcoding) for the detection and assessment of invasive fish species.

Dr. Carles Alcaraz
Guest Editor

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• biological invasions
• fish introductions
• biotic homogenization
• aquatic ecosystems
• freshwater
• marine
• conservation measures