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Tidal shifts in microhabitat use by Gobius cobitis: an adaptation to its feeding strategy?

  • C. Faria (a1) and V.C. Almada (a1)
Abstract

During high-tide, the majority of Gobius cobitis exhibit a microhabitat shift, moving up to the mid-intertidal walls and cliffs, a typical blenniid habitat that is not used by this species during low-tide. Observations on feeding behaviour that showed that fish behave as an ambush predator, being capable of hunting fish of considerable size, combined with its movements to typical blenniid habitats, suggest that this species may have a predatory role as a fish predator on the rock intertidal.

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Corresponding author
Correspondence should be addressed to: C. Faria, Unidade de Investigação em Eco-Etologia, Instituto Superior de Psicologia Aplicada, R. Jardim do Tabaco 34, P-1149-041 Lisboa, Portugal email: cfaria@ispa.pt
References
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C. Faria and V. Almada (2001) Microhabitat segregation in three rocky intertidal fish species in Portugal: does it reflect interspecific competition? Journal of Fish Biology 58, 145159.

C. Faria and V.C. Almada (2006) Patterns of spatial distribution and behaviour of fish on a rocky intertidal platform at high tide. Marine Ecology Progress Series 316, 155164.

C. Faria , V. Almada and M.C. Nunes (1998) Patterns of agonistic behaviour, shelter occupation and habitat preference in juvenile Lipophrys pholis, Coryphoblennius galerita and Gobius cobitis. Journal of Fish Biology 53, 12631273.

R.N. Gibson (1970) Observations on the biology of the giant goby Gobius cobitis Pallas. Journal of Fish Biology 2, 281288.

R.N. Gibson (1971) Factors affecting the rhythmic activity of Blennius pholis L. (Teleostei). Animal Behaviour 19, 336343.

R.N. Gibson (1972) The vertical distribution and feeding relationships of intertidal fish on the Atlantic cost of France. Journal of Animal Ecology 41, 189207.

A.C. Wheeler (1960) Gobius capito as a British fish. Annals and Magazine of Natural History 3, 177181.

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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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