Aquarium guide
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| Hypoplectrus gemma |
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Hypoplectrus gemma
Like the other species in this genus, the blue hamlet is aggressive and can only
be kept if there is no other fish of the same species. Size: 10-11 cm.
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ÝÐÀÑÈÑÒÐÀÒ (îê . 300 - îê. 240 äî í. ý.), äðåâíåãðå÷åñêèé âðà÷, îäèí èç îñíîâîïîëîæíèêîâ àëåêñàíäðèéñêîé ìåäèöèíñêîé øêîëû. Èññëåäîâàë ãîëîâíîé ìîçã, ðàçëè÷àë ÷óâñòâèòåëüíûé è äâèãàòåëüíûé íåðâû. Îïèñàë ñåðäå÷íûå è âåíîçíûå êëàïàíû, ñîêðàùåíèÿ ñåðäå÷íîé ìûøöû, ïåðèñòàëüòèêó êèøîê è äð. Òðóäû Ýðàñèñòðàòà íå ñîõðàíèëèñü.