Electric fish. Vladimir Olshanskiy
Why do catfish need weak discharges? Why do they need them during spawning? How to find answers to the questions "Why?" This is discussed in the proposed issue of "Morning Selection" by Vladimir Mendelevich Olshansky, PhD, employee of the Institute of Ecology and Evolution of the Russian Academy of Sciences.
Filming and editing: Dmitry Olshansky
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