<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The stomach contents of 41 specimens of huchen, Hucho hucho (L.), from six rivers in Slovakia were analyzed. Of the total number of fish examined (n=41), the stomachs of 17% were empty; thus, they were not analyzed further. A total of 116 animal prey items were found and identified in the 34 specimens analyzed. Eleven taxonomic categories were identified. The diet of H. hucho mainly consisted of fish, but one huchen had frogs in its stomach. Cyprinids and salmonids dominated the diet in winter months of November and December. Spirlin, Alburnoides bipinctatus (Bloch), and chub, Leuciscus cephalus (L.), were the primary prey of H. hucho. These results confirm that the huchen occupies a top position in the food chain of montane and submontane rivers and could play an important role in structuring fish assemblages.</p></abstract>

The stomach contents of 41 specimens of huchen, Hucho hucho (L.), from six rivers in Slovakia were analyzed. Of the total number of fish examined (n=41), the stomachs of 17% were empty; thus, they were not analyzed further. A total of 116 animal prey items were found and identified in the 34 specimens analyzed. Eleven taxonomic categories were identified. The diet of H. hucho mainly consisted of fish, but one huchen had frogs in its stomach. Cyprinids and salmonids dominated the diet in winter months of November and December. Spirlin, Alburnoides bipinctatus (Bloch), and chub, Leuciscus cephalus (L.), were the primary prey of H. hucho. These results confirm that the huchen occupies a top position in the food chain of montane and submontane rivers and could play an important role in structuring fish assemblages.

Observations of food and feeding of angler-caught huchen, Hucho hucho (L.), in Slovak rivers in winter

Department of Fisheries, Ivanka pri Dunaji 900 28 Ivanka pri Dunaji, Slovakia Tel.: +421 908 81 88 33

Fisheries & Aquatic Life

The stomach contents of 41 specimens of huchen, Hucho hucho (L.), from six rivers in Slovakia were analyzed. Of the total number of fish examined (n=41), the...

Observations of food and feeding of angler-caught huchen, Hucho hucho (L.), in Slovak rivers in winter

Pubblicato online: 27 nov 2013

Pagine: 219 - 224

DOI: https://doi.org/10.2478/aopf-2013-0021

This content is open access.