<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The pikeperch <italic>Sander lucioperca </italic>(L.) is present in numerous French water bodies. However, few studies have focused on the biology and ecology of the species and, as a result, references are lacking to assess its adaptation to lacustrine environments. The growth and diet of pikeperch were investigated in two reservoirs located in southern France. The fish at both sites show similar growth rates to those reported in other European countries, but slower than those observed in the Camargue. It is faster in the warm, eutrophic waters of the Treignac Reservoir than in the deeper, oligotrophic waters of Castillon Reservoir. A late shift to piscivory with strong cannibalism was observed at both sites, and the condition factors were low. These elements suggest successful adaptation to these environments though shortages of prey fish are likely to occur.</p></abstract>

The pikeperch Sander lucioperca (L.) is present in numerous French water bodies. However, few studies have focused on the biology and ecology of the species and, as a result, references are lacking to assess its adaptation to lacustrine environments. The growth and diet of pikeperch were investigated in two reservoirs located in southern France. The fish at both sites show similar growth rates to those reported in other European countries, but slower than those observed in the Camargue. It is faster in the warm, eutrophic waters of the Treignac Reservoir than in the deeper, oligotrophic waters of Castillon Reservoir. A late shift to piscivory with strong cannibalism was observed at both sites, and the condition factors were low. These elements suggest successful adaptation to these environments though shortages of prey fish are likely to occur.

Growth and diet of the pikeperch Sander lucioperca (L.) in two French reservoirs

Cemagref/GAMET, UR Ressources Ichtyologiques en Plans d’Eau (Fish Resources Management Research Group), Montpellier, France

Conservatoire des Espaces Naturels du Languedoc-Roussillon, Montpellier, France

Fisheries & Aquatic Life

{"article-title":"Growth and diet of the pikeperch Sander lucioperca (L.) in two French reservoirs"}

The pikeperch Sander lucioperca (L.) is present in numerous French water bodies. However, few studies have focused on the biology and ecology of the species...

Growth and diet of the pikeperch Sander lucioperca (L.) in two French reservoirs

Pubblicato online: 20 nov 2012

Pagine: 191 - 200

DOI: https://doi.org/10.2478/v10086-012-0024-0

Parole chiave
pikeperch (Sander lucioperca), condition, diet, environmental factors, growth, reservoir

This content is open access.

Growth and diet of the pikeperch Sander lucioperca (L.) in two French reservoirs

Pubblicato online: 20 nov 2012

Pagine: 191 - 200

DOI: https://doi.org/10.2478/v10086-012-0024-0

Parole chiavepikeperch (Sander lucioperca), condition, diet, environmental factors, growth, reservoir

This content is open access.

Parole chiave
pikeperch (Sander lucioperca), condition, diet, environmental factors, growth, reservoir