نتایج جستجو برای: betta splendens
تعداد نتایج: 746 فیلتر نتایج به سال:
Recent research has suggested that lateralization of aggressive behaviors could follow an homogeneous pattern among all vertebrates. A left eye/right hemisphere dominance in eliciting aggressive responses has been demonstrated for all groups of tetrapods but teleost fish for which data is lacking. Here we studied differential eye use during aggressive interactions in three species of teleosts: ...
The neuromodulator serotonin is an important regulator of aggressive behavior in vertebrates. Experimentally increasing synaptic levels of serotonin with fluoxetine, a selective serotonin reuptake inhibitor, has been shown to reliably decrease the expression of aggressive behavior. Here, we describe a method by which fluoxetine can be noninvasively administered to male Betta splendens (an attra...
Prozac Alters Reproductive Performance and Filial Cannibalism in Male Fighting Fish, Betta Splendens
Background: Fluoxetine (ProzacTM) is one of the most popular antidepressant that can be released to aquatic systems via sewage-treatment effluents. It is suspected to provoke substantial effects in the aquatic environment. Methods: In spawning tanks, specimens were exposed to concentrations of 0 and 0.54 µgl-1 fluoxetine from male introduction until the larvae had hatched. Prior to spawning, n...
در تحقیق حاضر تأثیر رنگدانه آستاگزانتین بر میزان رشد، رسیدگی جنسی مولدین و بقاء لاروها در ماهی فایتر (Bettasplendens) مورد بررسی قرار گرفت. برای این منظور، 48 قطعه ماهی 2 ماهه فایترتهیه گردید. سپس ماهی‌ها (با نسبت جنسی1: 1 و متوسط وزن 0/2 گرم) در قالب طرح کاملاً تصادفی با 4 تیمار و 3 تکرار به میزان 0(گ...
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