effect of testosterone and fluoxetine on aggressive behaviors of fighting fish, betta splendens
نویسندگان
چکیده
effects of oral administration of testosterone and fluoxetine exposure on aggressive behavior of the fighting fish, betta splendens , were investigated. testosterone diluted in ethanol and sprayed on pre-weighted pellet to achieve concentrations of 0, 1, 2 and 4 mg/kg of hormone in food. two main behaviors were recorded: the time in front of mirror and duration of the gill flaring using a mirror 8 and 15 days after the start of the experiment. then, half of the specimens in each treatment subjected to waterborne fluoxetine at a concentration of 100 µg/l for 24 hours and the behavior was recorded. after 8 days of feeding, the time in front of mirror and duration of gill flaring were not significantly different between the treatments. duration of the gill flaring increased significantly after 15 days; however there was no significant difference for the behavior in front of the mirror. over time the aggressive behaviors were reduced significantly after fluoxetine exposure. this study indicated that fluoxetine in the aquatic environment alters the aggressive behaviors of the fighting fish.
منابع مشابه
changes in aggressive behaviors and testosterone concentration of fighting fish betta splendens, exposed to fluoxetine
the present study was aimed to investigate the effect of fluoxetine on aggressive behaviors towards female and testosterone concentration of male fighting fish (betta splendens) during one reproduction event. male specimens were exposed 6 days to concentrations of 0 (control treatment) and 0.54 µg/l fluoxetine (exposed treatment) and aggressive behaviors of them assessed on different reproducti...
متن کاملGenetics of the Siamese Fighting Fish, Betta Splendens.
ETTA SPLENDENS more commonly known as the Siamese fighting fish has B been popular in aquariums of western Europe and America for over 35 years. Its domestication and consequent inbreeding antedates the introduction into the West by 60 or 70 years. Selection for pugnacity, long fins (see Figure l ) , and bright colors over this long period has produced a number of phenotypes, none of which is v...
متن کاملMetabolic Costs of Aggressive Behaviour in the Siamese Fighting Fish, Betta splendens
Aggressive conflicts between males are often resolved by means of multiple ritualized agonistic displays without damaging escalation. Apparently, in such cases by using those displays opponents exchange important motivational and physical information on which they base a decision to stay or leave the interaction. In the Siamese fighting fish, the time spent spreading the dorsal fin and erecting...
متن کاملAudience effect is context dependent in Siamese fighting fish, Betta splendens
Investigations of communication networks in animals have focused primarily on determining whether animals extract information from peripheral contests (eavesdropping) or respond to the presence of bystanders (audience effect). The possibility that an animal’s response to being watched might be context dependent, however, has been explored in far less detail. This study investigated the influenc...
متن کاملمنابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
international journal of aquatic biologyجلد ۱، شماره ۶، صفحات ۲۸۹-۰
میزبانی شده توسط پلتفرم ابری doprax.com
copyright © 2015-2023