Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.12/2417
Título: Temporal asymmetries in the feeding patterns along the tidal cycle in two sympatric littoral blennies
Autor: Faria, Cláudia Barreiros Macedo de
Almada, Vítor Carvalho
Palavras-chave: Lipophrys pholis
Coryphoblennius galerita
Rocky shore
Feeding activity
Tidal rhythms
Microhabitat shifts
Data: 2008
Editora: Elsevier
Citação: Estuarine, Coastal and Shelf Science, 79, 566-568
Resumo: The temporal patterns of feeding activity of Lipophrys pholis and Coryphoblennius galerita were studied by snorkelling dives during high-waters. The feeding activity was especially intense during the rising-tide when compared to the ebbing-tide. The relative abundances of C. galerita and small L. pholis observed on rock-walls were higher during the rising- and high-tide. However, L. pholis larger than 7–8 cm showed higher relative abundance on rock-walls during the ebbing phase, apparently because they move up and down with the tide, and many individuals were in their downward movements as the tide ebbs. It is hypothesized that the asymmetry in feeding pattern observed in both species reflects a trade off between two conflicting needs, maximizing feeding time and reaching their low-tide shelters in time, avoiding the risk of getting stranded in unsuitable locations.
Peer review: yes
URI: http://hdl.handle.net/10400.12/2417
ISSN: 0272-7714
Aparece nas colecções:UIE-E - Artigos em revistas internacionais

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