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- Title
Nuptial colouration and courtship behaviour during induced breeding of the swamp barb Puntius chola, a freshwater fish.
- Authors
Vincent, Moncey; Thomas, K. John
- Abstract
In Puntius chola, scarlet bands appear on the lateral sides in both sexes during reproductive season. Sexspecific reproductive behaviour patterns, development and disappearance of nuptial colouration were studied following injection of Ovaprim. In females, intensity of the colour of the lateral bands increased with the advancement of courtship activity, reached a peak just before spawning and then faded away. In males, intense nuptial colouration developed earlier than the females and disappeared 40 h after spawning. Vent kissing, circling and synchronized movement were some of the characteristic behaviours of the males, while the females often remained motionless in the column of water and occasionally exhibited trailing behaviour to a vigorously displaying male. The results show that the male P. chola have a low threshold for sexual arousal. They attain nuptial colouration earlier than the females and also retain the colouration for a longer period than the females.
- Subjects
ANIMAL courtship; ANIMAL breeding; FISH population estimates; SPECIES diversity; SPAWNING; SCIENTIFIC method
- Publication
Current Science (00113891), 2008, Vol 94, Issue 7, p922
- ISSN
0011-3891
- Publication type
Article