Note 2490 — BOOK IX. THE NATURAL HISTORY OF FISHES.
John Bostock translation
It is curious that Aristotle, though he was the inventor of this name, has nowhere stated in what it originated. Galen, De Alim. Fac. B. iii. c. 36, says that it is ἀπὸ τοῦ σέλας ἔχειν, from the fact of their shining at night.