Behavioural response to detection of chemical stimuli of predation, feeding and schooling in a temperate juvenile fish
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AuthorsGouraguine, A. (Adam); Díaz-Gil, C. (Carlos); Reñones, O. (Olga); Otegui, D.S. (David Simón); Palmer, M. (Miquel); Hinz, H. (Hilmar); Catalán, I.A. (Ignacio A.); Smith, D.J. (David J.); Moranta, J. (Joan)
In order to recruit into adult populations juvenile fish must be able to find food, successfully compete with other organisms and avoid predation within a habitat, in other words they must be able to locate favourable and avoid detrimental conditions. Bio-chemical research into fish detection and discrimination between chemical cues is extensive, however whether olfactory mechanisms are critical in habitat selection and avoidance of detrimental conditions within the marine environment remains under-researched. Despite being one of the scientifically most explored seas, studies on the use of olfactory system in the selection of water masses of the Mediterranean fish species are absent. Using a chemical choice flume, the chemically mediated behaviour choices to distinct chemical cues (algae, seagrass, predator and conspecifics) of Symphodus ocellatus, a common Mediterranean fish, were investigated. In addition to the conventional analysis, which relies on the amount of the time spent in ...
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