Title: Effects of increasing temperature on social behaviour in territorial groups of pumpkinseed sunfish, Lepomis gibbosus
Abstract: Abstract To study the effect of thermal stress on their social behaviour, ten territorial groups of pumpkinseed sunfish, Lepomis gibbosus , were subjected to a 1°C temperature increase every other day until they succumbed. Social behaviour remained remarkably unchanged by thermal stress until nearly lethal levels. As temperature rose, ritualised behaviours increased in frequency, then fell off, probably reflecting changes in general activity. Behavioural and physiological signs of stress appeared from 31 to 38°C. Events during these social breakdowns are described and compared with the response of two other freshwater fishes with different social organisations subjected to the same thermal regime.
Publication Year: 1976
Publication Date: 1976-04-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 9
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