Ancient India as described by Megasthenês and Arrian/Frag. XVII.
Fragm. XVII.
Ælian, Hist. Anim. VIII. 7.
Of the Electric Eel.
I learn from Megasthenês that there is in the Indian Sea a small kind of fish which is never seen when alive, as it always swims in deep water, and only floats on the surface after it is dead. Should any one touch it he becomes faint and swoons,—nay, even dies at last.