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EXPLANATION
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We had 8 abalone per tank (some abalone can be seen with a phosphorescent tag in the tank on the picture), with the possibility to feed on 8 different algae (P, D, H, G, L, B, E, U). Abalone could be individually recognised with the tag

In total, 3 repetitions were done. For each repetition, there were 5 tanks with abalone and algae, and 1 tank with only algae

In total, 15 tanks were studied

Each tank was videotaped during 3 consecutive weeks, 4 days a week. The abalone had no access to food during the 3 other days.

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RAW DATA
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There are few differences between the raw data recorded by the experimenter and the analysed data

1- for the specialist vs generalist data = only the abalone eating at least 3 times during the 3 weeks of experiment were kept

2- Some mistakes were found in the raw data (i.e. abalone considered as eating 24 h = not possible)

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TRANSFORMED RHYTHM DATA
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Raw data transformed to determine the day and night abalone's rhythm

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TRANSF SPECIALIST VS GENERALIST
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Individual feeding behaviour data (generated from the raw data)

The total number of visits per algae are presented for the 3-weeks measurements

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TRANSFORMED RANK FEEDING BEHAVIOUR
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Data used to do rank analysis (obtained from the raw data) = to determine algal preference

tank = number of the tank

feeders = 8 algae (see above for the algae definition)

rankvisitot = data transformed in rank for the time spent feeding

rankvisitmean = data transformed in rank for the mean feeding bout duration

rankvisitnumber = data transformed in rank for the number of feeding visits per day