Personal Narrative Of Travels To The Equinoctial Regions Of America During The Years 1799-1804 - Volume 2 - By Alexander Von Humboldt And Aime Bonpland.
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It Is Natural That The Effect Felt By
The Horses Should Be More Powerful Than That Produced Upon Man By The
Touch Of The Same Fish At Only One Of His Extremities.
The horses are
probably not killed, but only stunned.
They are drowned from the
impossibility of rising amid the prolonged struggle between the other
horses and the eels.
We had little doubt that the fishing would terminate by killing
successively all the animals engaged; but by degrees the impetuosity
of this unequal combat diminished, and the wearied gymnoti dispersed.
They require a long rest, and abundant nourishment, to repair the
galvanic force which they have lost.* (* The Indians assured us that
when the horses are made to run two days successively into the same
pool, none are killed the second day. See, on the fishing for gymnoti
Views of Nature Bohn's edition page 18.) The mules and horses appear
less frightened; their manes are no longer bristled, and their eyes
express less dread. The gymnoti approach timidly the edge of the
marsh, where they are taken by means of small harpoons fastened to
long cords. When the cords are very dry the Indians feel no shock in
raising the fish into the air. In a few minutes we had five large
eels, most of which were but slightly wounded. Some others were taken,
by the same means, towards evening.
The temperature of the waters in which the gymnoti habitually live, is
from 26 to 27 degrees. Their electric force diminishes it is said, in
colder waters; and it is remarkable that, in general, animals endowed
with electromotive organs, the effects of which are sensible to man,
are not found in the air, but in a fluid that is a conductor of
electricity.
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