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Feeding habits of Solea senegalensis in earthen ponds in Sado estuary
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| The senegale sole, Solea senegalensis Kaup, 1858, is a commercially valuable fish and it is beginning to be cultured in a semi-intensive way in fish farms in southern European countries. The present study was initiated to investigate the diet of S. senegalensis under semi-extensive conditions. The feeding habits of sole were studied in two earthen ponds of a fish farm in the Sado estuary. In one earthen pond, artificial fish ration was given. S. senegalensis feeds on few prey items, its diet is mainly composed of insect larvae (Chironomus salinarus) and polychaeta (Hediste diversicolor). The diet composition of this species suggests feeding specialization, by consuming mainly annelids and insect larvae and by avoiding other items, extremely abundant in the environment, such as gastropods. In the water reservoir where ration was given, some fish consumed simultaneously benthic organism together with ration. However, benthic organisms seem to be the most important component of S. senegalensis diet. | 615.33 KB | Adobe PDF |
Advisor(s)
Abstract(s)
The senegale sole, Solea senegalensis Kaup, 1858, is a commercially valuable fish and it is beginning to be cultured in a semi-intensive way in fish farms in southern European countries. The present study was initiated to investigate the diet of S. senegalensis under semi-extensive conditions. The feeding habits of sole were studied in two earthen ponds of a fish farm in the Sado estuary. In one earthen pond, artificial fish ration was given. S. senegalensis feeds on few prey items, its diet is mainly composed of insect larvae (Chironomus salinarus) and polychaeta (Hediste diversicolor). The diet composition of this species suggests feeding specialization, by consuming mainly annelids and insect larvae and by avoiding other items, extremely abundant in the environment, such as gastropods. In the water reservoir where ration was given, some fish consumed simultaneously benthic organism together with ration. However, benthic organisms seem to be the most important component of S. senegalensis diet.
Description
Arruda, Marco A. - Scopus ID: 35799507600
Keywords
Solea senegalensis Feeding Habits Earthen Ponds Macroinvertebrates Fish Culture
Pedagogical Context
Citation
Maria Ana Castelo Branco, Marco A. Arruda, Sofia Gamito, Feeding habits of Solea senegalensis in earthen ponds in Sado estuary, Journal of Sea Research, Volume 64, Issue 4, 2010, Pages 446-450, ISSN 1385-1101, https://doi.org/10.1016/j.seares.2010.03.002.
Publisher
Elsevier