The Effects of Different Types of Intruders on the Level and Characteristics of Territorial Defence Response of Domesticated Male Siamese Fighting Fish

This study investigated the effects of types of intruders on the level and types of male aggressive acts at different stages of the egg guarding period in domesticated fighting fish (Betta splendens). The degree of aggressiveness was measured at two reproductive phases in response to three types of...

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Main Authors: Mullica JAROENSUTASINEE, Krisanadej JAROENSUTASINEE
Format: Article
Language:English
Published: Walailak University 2011-12-01
Series:Walailak Journal of Science and Technology
Subjects:
Online Access:http://wjst.wu.ac.th/index.php/wjst/article/view/202
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author Mullica JAROENSUTASINEE
Krisanadej JAROENSUTASINEE
author_facet Mullica JAROENSUTASINEE
Krisanadej JAROENSUTASINEE
author_sort Mullica JAROENSUTASINEE
collection DOAJ
description This study investigated the effects of types of intruders on the level and types of male aggressive acts at different stages of the egg guarding period in domesticated fighting fish (Betta splendens). The degree of aggressiveness was measured at two reproductive phases in response to three types of intruders: male, female and female that had laid eggs. The nest-holding males displayed the same level of aggressiveness towards intruders before and after the hatching of eggs. Male intruders elicited the highest number of aggressive acts followed by female, and mated female intruders. The highest incidence of gill cover erection, biting, and tail beating by nest-holding males was directed towards male intruders whilst female and mated female intruders were subject to lower and lowest incidence of these aggressive acts respectively. However, female intruders were attacked and chased most frequently and mated female intruders comparatively less frequently whereas male intruders were least subject to these types of aggression.
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spelling doaj.art-747758ec9e974f8aa905991d79f23d472022-12-22T00:01:41ZengWalailak UniversityWalailak Journal of Science and Technology1686-39332228-835X2011-12-011110.2004/wjst.v1i1.202195The Effects of Different Types of Intruders on the Level and Characteristics of Territorial Defence Response of Domesticated Male Siamese Fighting FishMullica JAROENSUTASINEE0Krisanadej JAROENSUTASINEE1School of Science, Walailak University, Thasala, Nakhon Si Thammarat 80161School of Science, Walailak University, Thasala, Nakhon Si Thammarat 80161This study investigated the effects of types of intruders on the level and types of male aggressive acts at different stages of the egg guarding period in domesticated fighting fish (Betta splendens). The degree of aggressiveness was measured at two reproductive phases in response to three types of intruders: male, female and female that had laid eggs. The nest-holding males displayed the same level of aggressiveness towards intruders before and after the hatching of eggs. Male intruders elicited the highest number of aggressive acts followed by female, and mated female intruders. The highest incidence of gill cover erection, biting, and tail beating by nest-holding males was directed towards male intruders whilst female and mated female intruders were subject to lower and lowest incidence of these aggressive acts respectively. However, female intruders were attacked and chased most frequently and mated female intruders comparatively less frequently whereas male intruders were least subject to these types of aggression.http://wjst.wu.ac.th/index.php/wjst/article/view/202Aggressive behaviourBetta splendensEgg guardingSiamese fighting fishTerritorial defence
spellingShingle Mullica JAROENSUTASINEE
Krisanadej JAROENSUTASINEE
The Effects of Different Types of Intruders on the Level and Characteristics of Territorial Defence Response of Domesticated Male Siamese Fighting Fish
Walailak Journal of Science and Technology
Aggressive behaviour
Betta splendens
Egg guarding
Siamese fighting fish
Territorial defence
title The Effects of Different Types of Intruders on the Level and Characteristics of Territorial Defence Response of Domesticated Male Siamese Fighting Fish
title_full The Effects of Different Types of Intruders on the Level and Characteristics of Territorial Defence Response of Domesticated Male Siamese Fighting Fish
title_fullStr The Effects of Different Types of Intruders on the Level and Characteristics of Territorial Defence Response of Domesticated Male Siamese Fighting Fish
title_full_unstemmed The Effects of Different Types of Intruders on the Level and Characteristics of Territorial Defence Response of Domesticated Male Siamese Fighting Fish
title_short The Effects of Different Types of Intruders on the Level and Characteristics of Territorial Defence Response of Domesticated Male Siamese Fighting Fish
title_sort effects of different types of intruders on the level and characteristics of territorial defence response of domesticated male siamese fighting fish
topic Aggressive behaviour
Betta splendens
Egg guarding
Siamese fighting fish
Territorial defence
url http://wjst.wu.ac.th/index.php/wjst/article/view/202
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