New work about Synodontis catfish

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Bathycetopsis
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New work about Synodontis catfish

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Journal of Ichthyology
Vol. 44, No. 9, 2004
Electrical Activity of Catfish Synodontis nigrita
(Mochokidae, Siluriformes) During Ontogenesis

K. S. Morshnev and O. A. Soldatova

Institute of Ecology and Evolution, Russian Academy of Sciencesâ??IPEE, Leninskii prospekt 33, Moscow, 119071 Russia
e-mail: morshnev@genome.eimb.relarn.ru

Abstractâ??Electrical activity of the representatives of genus Synodontis (Mochokidae) during ontogenesis is
studied for the first time with S. nigrita as an example. Specialized electrical activity is revealed in the finger-
lings with length SL 15 mm and age of 20â??25 days. The recorded discharges differ in form and duration from
the previously described discharges of A-type (spontaneous electrical activity) and B-type (response to aggres-
sive behavior). The notion of â??C-type dischargesâ?
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