publication . Article . 2010

Asp diet and growth in the Danube River

Krpo-Cetković, Jasmina M; Hegedis, Aleksandar E; Lenhardt, Mirjana B.;
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  • Published: 25 May 2010 Journal: Journal of Applied Ichthyology, volume 26, pages 513-521 (issn: 0175-8659, eissn: 1439-0426, Copyright policy)
  • Publisher: Wiley
Abstract
P>A sample of 198 asp (Aspius aspius) was collected over a 28.5 km long section of the Danube River, upstream and downstream from the mouth of the Sava River, in order to provide information on population structure, diet, growth, and condition of this species. Total body lengths of sampled fish were 90-405 mm, and body weights 5-567 g. The sample was predominantly sub-adult fish aged 0+ to 4+ years. Sexually immature asp prevailed over the sexually mature asp. The sex ratio (1.4 : 1) was biased toward males. Male asps in the Danube become sexually mature only in their fifth year of life, and the females even later, as no sexually mature females were caught. The ...
Subjects
free text keywords: Aquatic Science, Aspius aspius, biology.organism_classification, biology, Ecology, Rutilus, Predation, Trophic level, Upstream and downstream (DNA), Sex ratio, Alburnus alburnus, Confluence
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publication . Article . 2010

Asp diet and growth in the Danube River

Krpo-Cetković, Jasmina M; Hegedis, Aleksandar E; Lenhardt, Mirjana B.;