名詞
词源
借自阿拉伯語 رَعْد (raʕd，“閃電”)。
释义
電鯰
"It might reasonably be expected," says Sir J. Gardner Wilkinson, "that the raad, or electric fish of the Nile, would be one of the most sacred, and forbidden for food; and it seems not to be represented among those caught in the ancient fishing scenes." He adds regarding the raad:—"It is a small fish, and the one I saw measured little more than a foot long by four inches in depth, but it had the power of giving a very strong shock. It is the Melapterurus electricus, and may have been the ancient Latus."
1858, George Wilson, “On the electric fishes as the earliest electric machines employed by mankind”, in The Canadian Journal of Industry, Science and Art, volume 3: