Sedentary behaviour establishment in 0-group common sole Solea solea: a laboratory video-tracking study

Spontaneous swimming activity of 0-group common sole (Solea solea) was evaluated using a video-tracking system under laboratory conditions. An experiment was conducted during two consecutive days on individuals sampled in June, July, September and November (2004) in a coastal nursery ground (Pertuis Charentais, Bay of Biscay, France). The measured behavioural variables were: distance travelled and frequency of occurrence of burying, swimming and immobility. 0-group sole showed a relatively clear circadian activity in line with the artificial light conditions (day, twilight and night). Swimming activity of 0-group sole decreased drastically from June to July, thereafter remaining at a very low level in September and November. Such important changes reflect the transition between the exploratory behaviour of the post-colonization period and a well established sedentary behaviour remaining until the onset of winter. These results highlight the potential limitation in habitat use capacities of 0-group sole once settled in coastal nursery grounds.

Keyword(s)

behaviour, flatfish, juvenile, swimming activity, video-tracking

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Durieux Eric, Le Duigou Mathieu, Millot Sandie, Sasal Pierre, Begout Marie-Laure (2010). Sedentary behaviour establishment in 0-group common sole Solea solea: a laboratory video-tracking study. Journal Of The Marine Biological Association Of The United Kingdom. 90 (6). 1257-1262. https://doi.org/10.1017/S0025315409991159, https://archimer.ifremer.fr/doc/00008/11941/

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