Electric discharges of Synodontis

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Electric discharges of Synodontis

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Baron, V.D., & Orlov, A.A. (2021). Electric discharges of pinnate catfish Synodontis (Mochokidae): features and mechanisms of electric generation. Ichthyology Issues, 61 (2), 219-225.

Барон, В. Д., & Орлов, А. А. (2021). Электрические разряды перистоусых сомов Synodontis (Mochokidae): особенности и механизмы электрогенерации. Вопросы ихтиологии, 61(2), 219-225.

DOI: 10.31857 / S0042875221020016
https://elibrary.ru/item.asp?id=44732155
ANNOTATION:

Electric discharges have been studied in two species of pinnate catfish, and S. membranaceus. In S. clarias, constant generation of weak electrical pulses with a relatively stable frequency (~ 30 s −1 ) and an amplitude reaching 200 µV was found. In representatives of both species, with aggressive-defensive behavior in pairs of individuals, both relatively short two-phase discharges of two types were recorded, differing in the total duration and ratio of positive and negative phases, and long-term impulses of various shapes with characteristic frontal irregularities. In S. membranaceus short two-phase discharges of both the first and the second type were registered. Using a simple computer model, an attempt was made to reconstruct the process of formation of long-term electric discharges from short elementary pulses.
KEYWORDS: PERISTOUSYE soma , SYNODONTIS CLARIAS , S. MEMBRANACEUS , weakly electric FISH , discharge of the electrical BODY , electrocommunications , Electroreception
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